Home / 709,035,002.48-1,065,422,942.76-381,752,493.68

Finding the Fourth Proportional to 709,035,002.48, 1,065,422,942.76 and 381,752,493.68

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Solution

The fourth proportional to 709,035,002.48, 1,065,422,942.76 and 381,752,493.68 is: 573,635,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,035,002.48 : 1,065,422,942.76 = 381,752,493.68 : x
  2. Step 2: Convert to fraction form
    709,035,002.48/1,065,422,942.76 = 381,752,493.68/x
  3. Step 3: Cross multiply
    709,035,002.48x = 1,065,422,942.76 × 381,752,493.68
  4. Step 4: Simplify right side
    709,035,002.48x = 406,727,865,222,513,920
  5. Step 5: Solve for x
    x = 406,727,865,222,513,920/709,035,002.48
  6. Step 6: Final answer
    x = 573,635,806.13

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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.