Home / 419,904,551.60-629,856,827.40-371,437,132.40

Finding the Fourth Proportional to 419,904,551.60, 629,856,827.40 and 371,437,132.40

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Solution

The fourth proportional to 419,904,551.60, 629,856,827.40 and 371,437,132.40 is: 557,155,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,551.60 : 629,856,827.40 = 371,437,132.40 : x
  2. Step 2: Convert to fraction form
    419,904,551.60/629,856,827.40 = 371,437,132.40/x
  3. Step 3: Cross multiply
    419,904,551.60x = 629,856,827.40 × 371,437,132.40
  4. Step 4: Simplify right side
    419,904,551.60x = 233,952,213,792,017,728
  5. Step 5: Solve for x
    x = 233,952,213,792,017,728/419,904,551.60
  6. Step 6: Final answer
    x = 557,155,698.60

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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.