Home / 10,647,186,341.58-14,616,176,273.85-9,139,194,689.58

Finding the Fourth Proportional to 10,647,186,341.58, 14,616,176,273.85 and 9,139,194,689.58

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Solution

The fourth proportional to 10,647,186,341.58, 14,616,176,273.85 and 9,139,194,689.58 is: 12,546,045,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,186,341.58 : 14,616,176,273.85 = 9,139,194,689.58 : x
  2. Step 2: Convert to fraction form
    10,647,186,341.58/14,616,176,273.85 = 9,139,194,689.58/x
  3. Step 3: Cross multiply
    10,647,186,341.58x = 14,616,176,273.85 × 9,139,194,689.58
  4. Step 4: Simplify right side
    10,647,186,341.58x = 133,580,080,583,935,115,264
  5. Step 5: Solve for x
    x = 133,580,080,583,935,115,264/10,647,186,341.58
  6. Step 6: Final answer
    x = 12,546,045,152.07

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Half scale
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Double scale
Find fourth proportional to 10,647,186,342.58, 14,616,176,275.22 and 9,139,194,690.58
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.