Home / 508,930,943.31-702,381,571.50-308,098,473.44

Finding the Fourth Proportional to 508,930,943.31, 702,381,571.50 and 308,098,473.44

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Solution

The fourth proportional to 508,930,943.31, 702,381,571.50 and 308,098,473.44 is: 425,210,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,930,943.31 : 702,381,571.50 = 308,098,473.44 : x
  2. Step 2: Convert to fraction form
    508,930,943.31/702,381,571.50 = 308,098,473.44/x
  3. Step 3: Cross multiply
    508,930,943.31x = 702,381,571.50 × 308,098,473.44
  4. Step 4: Simplify right side
    508,930,943.31x = 216,402,689,948,026,304
  5. Step 5: Solve for x
    x = 216,402,689,948,026,304/508,930,943.31
  6. Step 6: Final answer
    x = 425,210,321.35

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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.