Home / 10,647,186,332.60-14,616,176,261.49-9,139,194,680.56

Finding the Fourth Proportional to 10,647,186,332.60, 14,616,176,261.49 and 9,139,194,680.56

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Solution

The fourth proportional to 10,647,186,332.60, 14,616,176,261.49 and 9,139,194,680.56 is: 12,546,045,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,186,332.60 : 14,616,176,261.49 = 9,139,194,680.56 : x
  2. Step 2: Convert to fraction form
    10,647,186,332.60/14,616,176,261.49 = 9,139,194,680.56/x
  3. Step 3: Cross multiply
    10,647,186,332.60x = 14,616,176,261.49 × 9,139,194,680.56
  4. Step 4: Simplify right side
    10,647,186,332.60x = 133,580,080,339,072,811,008
  5. Step 5: Solve for x
    x = 133,580,080,339,072,811,008/10,647,186,332.60
  6. Step 6: Final answer
    x = 12,546,045,139.65

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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.