Home / 897,176,942.74-1,238,052,524.76-500,668,812.64

Finding the Fourth Proportional to 897,176,942.74, 1,238,052,524.76 and 500,668,812.64

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Solution

The fourth proportional to 897,176,942.74, 1,238,052,524.76 and 500,668,812.64 is: 690,894,134.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,176,942.74 : 1,238,052,524.76 = 500,668,812.64 : x
  2. Step 2: Convert to fraction form
    897,176,942.74/1,238,052,524.76 = 500,668,812.64/x
  3. Step 3: Cross multiply
    897,176,942.74x = 1,238,052,524.76 × 500,668,812.64
  4. Step 4: Simplify right side
    897,176,942.74x = 619,854,287,557,543,424
  5. Step 5: Solve for x
    x = 619,854,287,557,543,424/897,176,942.74
  6. Step 6: Final answer
    x = 690,894,134.73

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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.