Home / 498,325,621.20-747,488,431.80-239,478,424.80

Finding the Fourth Proportional to 498,325,621.20, 747,488,431.80 and 239,478,424.80

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Solution

The fourth proportional to 498,325,621.20, 747,488,431.80 and 239,478,424.80 is: 359,217,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,325,621.20 : 747,488,431.80 = 239,478,424.80 : x
  2. Step 2: Convert to fraction form
    498,325,621.20/747,488,431.80 = 239,478,424.80/x
  3. Step 3: Cross multiply
    498,325,621.20x = 747,488,431.80 × 239,478,424.80
  4. Step 4: Simplify right side
    498,325,621.20x = 179,007,352,203,686,240
  5. Step 5: Solve for x
    x = 179,007,352,203,686,240/498,325,621.20
  6. Step 6: Final answer
    x = 359,217,637.20

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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.