Home / 745,472,001.30-1,118,208,001.95-527,793,767.70

Finding the Fourth Proportional to 745,472,001.30, 1,118,208,001.95 and 527,793,767.70

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Solution

The fourth proportional to 745,472,001.30, 1,118,208,001.95 and 527,793,767.70 is: 791,690,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,472,001.30 : 1,118,208,001.95 = 527,793,767.70 : x
  2. Step 2: Convert to fraction form
    745,472,001.30/1,118,208,001.95 = 527,793,767.70/x
  3. Step 3: Cross multiply
    745,472,001.30x = 1,118,208,001.95 × 527,793,767.70
  4. Step 4: Simplify right side
    745,472,001.30x = 590,183,214,421,479,424
  5. Step 5: Solve for x
    x = 590,183,214,421,479,424/745,472,001.30
  6. Step 6: Final answer
    x = 791,690,651.55

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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.