Home / 508,969,632.48-702,387,379.40-282,929,841.76

Finding the Fourth Proportional to 508,969,632.48, 702,387,379.40 and 282,929,841.76

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Solution

The fourth proportional to 508,969,632.48, 702,387,379.40 and 282,929,841.76 is: 390,448,343.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,969,632.48 : 702,387,379.40 = 282,929,841.76 : x
  2. Step 2: Convert to fraction form
    508,969,632.48/702,387,379.40 = 282,929,841.76/x
  3. Step 3: Cross multiply
    508,969,632.48x = 702,387,379.40 × 282,929,841.76
  4. Step 4: Simplify right side
    508,969,632.48x = 198,726,350,107,863,072
  5. Step 5: Solve for x
    x = 198,726,350,107,863,072/508,969,632.48
  6. Step 6: Final answer
    x = 390,448,343.92

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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.