Home / 439,726,887.16-606,820,898.95-238,781,966.55

Finding the Fourth Proportional to 439,726,887.16, 606,820,898.95 and 238,781,966.55

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Solution

The fourth proportional to 439,726,887.16, 606,820,898.95 and 238,781,966.55 is: 329,517,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,726,887.16 : 606,820,898.95 = 238,781,966.55 : x
  2. Step 2: Convert to fraction form
    439,726,887.16/606,820,898.95 = 238,781,966.55/x
  3. Step 3: Cross multiply
    439,726,887.16x = 606,820,898.95 × 238,781,966.55
  4. Step 4: Simplify right side
    439,726,887.16x = 144,897,887,594,919,840
  5. Step 5: Solve for x
    x = 144,897,887,594,919,840/439,726,887.16
  6. Step 6: Final answer
    x = 329,517,916.29

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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.