Home / 497,016,003.70-745,524,005.55-420,488,499.70

Finding the Fourth Proportional to 497,016,003.70, 745,524,005.55 and 420,488,499.70

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Solution

The fourth proportional to 497,016,003.70, 745,524,005.55 and 420,488,499.70 is: 630,732,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,016,003.70 : 745,524,005.55 = 420,488,499.70 : x
  2. Step 2: Convert to fraction form
    497,016,003.70/745,524,005.55 = 420,488,499.70/x
  3. Step 3: Cross multiply
    497,016,003.70x = 745,524,005.55 × 420,488,499.70
  4. Step 4: Simplify right side
    497,016,003.70x = 313,484,270,584,053,952
  5. Step 5: Solve for x
    x = 313,484,270,584,053,952/497,016,003.70
  6. Step 6: Final answer
    x = 630,732,749.55

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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.