Home / 724,262,693.76-1,086,394,390.56-239,588,501.76

Finding the Fourth Proportional to 724,262,693.76, 1,086,394,390.56 and 239,588,501.76

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Solution

The fourth proportional to 724,262,693.76, 1,086,394,390.56 and 239,588,501.76 is: 359,382,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,262,693.76 : 1,086,394,390.56 = 239,588,501.76 : x
  2. Step 2: Convert to fraction form
    724,262,693.76/1,086,394,390.56 = 239,588,501.76/x
  3. Step 3: Cross multiply
    724,262,693.76x = 1,086,394,390.56 × 239,588,501.76
  4. Step 4: Simplify right side
    724,262,693.76x = 260,287,604,354,738,656
  5. Step 5: Solve for x
    x = 260,287,604,354,738,656/724,262,693.76
  6. Step 6: Final answer
    x = 359,382,868.39

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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.