Home / 610,070,569.76-841,989,414.32-372,053,839.98

Finding the Fourth Proportional to 610,070,569.76, 841,989,414.32 and 372,053,839.98

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Solution

The fourth proportional to 610,070,569.76, 841,989,414.32 and 372,053,839.98 is: 513,490,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,070,569.76 : 841,989,414.32 = 372,053,839.98 : x
  2. Step 2: Convert to fraction form
    610,070,569.76/841,989,414.32 = 372,053,839.98/x
  3. Step 3: Cross multiply
    610,070,569.76x = 841,989,414.32 × 372,053,839.98
  4. Step 4: Simplify right side
    610,070,569.76x = 313,265,394,818,406,976
  5. Step 5: Solve for x
    x = 313,265,394,818,406,976/610,070,569.76
  6. Step 6: Final answer
    x = 513,490,422.83

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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.