Home / 419,904,777.60-629,857,166.40-371,437,358.40

Finding the Fourth Proportional to 419,904,777.60, 629,857,166.40 and 371,437,358.40

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Solution

The fourth proportional to 419,904,777.60, 629,857,166.40 and 371,437,358.40 is: 557,156,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,904,777.60 : 629,857,166.40 = 371,437,358.40 : x
  2. Step 2: Convert to fraction form
    419,904,777.60/629,857,166.40 = 371,437,358.40/x
  3. Step 3: Cross multiply
    419,904,777.60x = 629,857,166.40 × 371,437,358.40
  4. Step 4: Simplify right side
    419,904,777.60x = 233,952,482,056,925,216
  5. Step 5: Solve for x
    x = 233,952,482,056,925,216/419,904,777.60
  6. Step 6: Final answer
    x = 557,156,037.60

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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.