Home / 10,647,186,342.08-14,616,176,274.54-9,139,194,690.08

Finding the Fourth Proportional to 10,647,186,342.08, 14,616,176,274.54 and 9,139,194,690.08

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Solution

The fourth proportional to 10,647,186,342.08, 14,616,176,274.54 and 9,139,194,690.08 is: 12,546,045,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,186,342.08 : 14,616,176,274.54 = 9,139,194,690.08 : x
  2. Step 2: Convert to fraction form
    10,647,186,342.08/14,616,176,274.54 = 9,139,194,690.08/x
  3. Step 3: Cross multiply
    10,647,186,342.08x = 14,616,176,274.54 × 9,139,194,690.08
  4. Step 4: Simplify right side
    10,647,186,342.08x = 133,580,080,597,549,252,608
  5. Step 5: Solve for x
    x = 133,580,080,597,549,252,608/10,647,186,342.08
  6. Step 6: Final answer
    x = 12,546,045,152.76

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Double scale
Find fourth proportional to 10,647,186,343.08, 14,616,176,275.91 and 9,139,194,691.08
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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.