Home / 813,092,874.24-1,122,065,723.52-441,816,038.40

Finding the Fourth Proportional to 813,092,874.24, 1,122,065,723.52 and 441,816,038.40

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Solution

The fourth proportional to 813,092,874.24, 1,122,065,723.52 and 441,816,038.40 is: 609,704,805.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,092,874.24 : 1,122,065,723.52 = 441,816,038.40 : x
  2. Step 2: Convert to fraction form
    813,092,874.24/1,122,065,723.52 = 441,816,038.40/x
  3. Step 3: Cross multiply
    813,092,874.24x = 1,122,065,723.52 × 441,816,038.40
  4. Step 4: Simplify right side
    813,092,874.24x = 495,746,632,790,036,096
  5. Step 5: Solve for x
    x = 495,746,632,790,036,096/813,092,874.24
  6. Step 6: Final answer
    x = 609,704,805.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.