Home / 658,875,254.12-908,420,553.39-482,356,795.15

Finding the Fourth Proportional to 658,875,254.12, 908,420,553.39 and 482,356,795.15

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Solution

The fourth proportional to 658,875,254.12, 908,420,553.39 and 482,356,795.15 is: 665,046,720.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,875,254.12 : 908,420,553.39 = 482,356,795.15 : x
  2. Step 2: Convert to fraction form
    658,875,254.12/908,420,553.39 = 482,356,795.15/x
  3. Step 3: Cross multiply
    658,875,254.12x = 908,420,553.39 × 482,356,795.15
  4. Step 4: Simplify right side
    658,875,254.12x = 438,182,826,781,589,824
  5. Step 5: Solve for x
    x = 438,182,826,781,589,824/658,875,254.12
  6. Step 6: Final answer
    x = 665,046,720.21

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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.