Home / 658,598,856.53-987,989,130-382,380,155.10

Finding the Fourth Proportional to 658,598,856.53, 987,989,130 and 382,380,155.10

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Solution

The fourth proportional to 658,598,856.53, 987,989,130 and 382,380,155.10 is: 573,622,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,598,856.53 : 987,989,130 = 382,380,155.10 : x
  2. Step 2: Convert to fraction form
    658,598,856.53/987,989,130 = 382,380,155.10/x
  3. Step 3: Cross multiply
    658,598,856.53x = 987,989,130 × 382,380,155.10
  4. Step 4: Simplify right side
    658,598,856.53x = 377,787,436,766,514,112
  5. Step 5: Solve for x
    x = 377,787,436,766,514,112/658,598,856.53
  6. Step 6: Final answer
    x = 573,622,977.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.