Home / 498,325,631.70-747,488,447.55-265,873,338.30

Finding the Fourth Proportional to 498,325,631.70, 747,488,447.55 and 265,873,338.30

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Solution

The fourth proportional to 498,325,631.70, 747,488,447.55 and 265,873,338.30 is: 398,810,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,325,631.70 : 747,488,447.55 = 265,873,338.30 : x
  2. Step 2: Convert to fraction form
    498,325,631.70/747,488,447.55 = 265,873,338.30/x
  3. Step 3: Cross multiply
    498,325,631.70x = 747,488,447.55 × 265,873,338.30
  4. Step 4: Simplify right side
    498,325,631.70x = 198,737,248,890,802,944
  5. Step 5: Solve for x
    x = 198,737,248,890,802,944/498,325,631.70
  6. Step 6: Final answer
    x = 398,810,007.45

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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.