Home / 498,325,608.20-747,488,412.30-239,478,411.80

Finding the Fourth Proportional to 498,325,608.20, 747,488,412.30 and 239,478,411.80

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Solution

The fourth proportional to 498,325,608.20, 747,488,412.30 and 239,478,411.80 is: 359,217,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,325,608.20 : 747,488,412.30 = 239,478,411.80 : x
  2. Step 2: Convert to fraction form
    498,325,608.20/747,488,412.30 = 239,478,411.80/x
  3. Step 3: Cross multiply
    498,325,608.20x = 747,488,412.30 × 239,478,411.80
  4. Step 4: Simplify right side
    498,325,608.20x = 179,007,337,816,507,584
  5. Step 5: Solve for x
    x = 179,007,337,816,507,584/498,325,608.20
  6. Step 6: Final answer
    x = 359,217,617.70

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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.