Home / 616,520,083.52-849,974,681.26-489,781,275.28

Finding the Fourth Proportional to 616,520,083.52, 849,974,681.26 and 489,781,275.28

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Solution

The fourth proportional to 616,520,083.52, 849,974,681.26 and 489,781,275.28 is: 675,244,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,520,083.52 : 849,974,681.26 = 489,781,275.28 : x
  2. Step 2: Convert to fraction form
    616,520,083.52/849,974,681.26 = 489,781,275.28/x
  3. Step 3: Cross multiply
    616,520,083.52x = 849,974,681.26 × 489,781,275.28
  4. Step 4: Simplify right side
    616,520,083.52x = 416,301,683,343,234,304
  5. Step 5: Solve for x
    x = 416,301,683,343,234,304/616,520,083.52
  6. Step 6: Final answer
    x = 675,244,318.02

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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.