Home / 738,422,793.90-1,107,802,152.45-431,556,950.70

Finding the Fourth Proportional to 738,422,793.90, 1,107,802,152.45 and 431,556,950.70

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Solution

The fourth proportional to 738,422,793.90, 1,107,802,152.45 and 431,556,950.70 is: 647,433,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,422,793.90 : 1,107,802,152.45 = 431,556,950.70 : x
  2. Step 2: Convert to fraction form
    738,422,793.90/1,107,802,152.45 = 431,556,950.70/x
  3. Step 3: Cross multiply
    738,422,793.90x = 1,107,802,152.45 × 431,556,950.70
  4. Step 4: Simplify right side
    738,422,793.90x = 478,079,718,890,218,560
  5. Step 5: Solve for x
    x = 478,079,718,890,218,560/738,422,793.90
  6. Step 6: Final answer
    x = 647,433,587.97

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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.