Home / 425,160,144.80-637,740,217.20-322,367,645.60

Finding the Fourth Proportional to 425,160,144.80, 637,740,217.20 and 322,367,645.60

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Solution

The fourth proportional to 425,160,144.80, 637,740,217.20 and 322,367,645.60 is: 483,551,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,160,144.80 : 637,740,217.20 = 322,367,645.60 : x
  2. Step 2: Convert to fraction form
    425,160,144.80/637,740,217.20 = 322,367,645.60/x
  3. Step 3: Cross multiply
    425,160,144.80x = 637,740,217.20 × 322,367,645.60
  4. Step 4: Simplify right side
    425,160,144.80x = 205,586,812,323,196,640
  5. Step 5: Solve for x
    x = 205,586,812,323,196,640/425,160,144.80
  6. Step 6: Final answer
    x = 483,551,468.40

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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.