Home / 18,778,709,614.76-25,915,240,755.16-10,320,833,185.64

Finding the Fourth Proportional to 18,778,709,614.76, 25,915,240,755.16 and 10,320,833,185.64

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Solution

The fourth proportional to 18,778,709,614.76, 25,915,240,755.16 and 10,320,833,185.64 is: 14,243,091,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,709,614.76 : 25,915,240,755.16 = 10,320,833,185.64 : x
  2. Step 2: Convert to fraction form
    18,778,709,614.76/25,915,240,755.16 = 10,320,833,185.64/x
  3. Step 3: Cross multiply
    18,778,709,614.76x = 25,915,240,755.16 × 10,320,833,185.64
  4. Step 4: Simplify right side
    18,778,709,614.76x = 267,466,876,799,653,904,384
  5. Step 5: Solve for x
    x = 267,466,876,799,653,904,384/18,778,709,614.76
  6. Step 6: Final answer
    x = 14,243,091,367.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.