Home / 498,225,643.20-747,338,464.80-153,134,429.85

Finding the Fourth Proportional to 498,225,643.20, 747,338,464.80 and 153,134,429.85

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Solution

The fourth proportional to 498,225,643.20, 747,338,464.80 and 153,134,429.85 is: 229,701,644.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,225,643.20 : 747,338,464.80 = 153,134,429.85 : x
  2. Step 2: Convert to fraction form
    498,225,643.20/747,338,464.80 = 153,134,429.85/x
  3. Step 3: Cross multiply
    498,225,643.20x = 747,338,464.80 × 153,134,429.85
  4. Step 4: Simplify right side
    498,225,643.20x = 114,443,249,712,122,288
  5. Step 5: Solve for x
    x = 114,443,249,712,122,288/498,225,643.20
  6. Step 6: Final answer
    x = 229,701,644.78

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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.