Home / 425,218,155.60-637,827,233.40-417,155,998.80

Finding the Fourth Proportional to 425,218,155.60, 637,827,233.40 and 417,155,998.80

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Solution

The fourth proportional to 425,218,155.60, 637,827,233.40 and 417,155,998.80 is: 625,733,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,218,155.60 : 637,827,233.40 = 417,155,998.80 : x
  2. Step 2: Convert to fraction form
    425,218,155.60/637,827,233.40 = 417,155,998.80/x
  3. Step 3: Cross multiply
    425,218,155.60x = 637,827,233.40 × 417,155,998.80
  4. Step 4: Simplify right side
    425,218,155.60x = 266,073,456,610,817,728
  5. Step 5: Solve for x
    x = 266,073,456,610,817,728/425,218,155.60
  6. Step 6: Final answer
    x = 625,733,998.20

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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.