Home / 644,861,685.60-965,874,687.48-532,928,794.86

Finding the Fourth Proportional to 644,861,685.60, 965,874,687.48 and 532,928,794.86

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Solution

The fourth proportional to 644,861,685.60, 965,874,687.48 and 532,928,794.86 is: 798,221,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,861,685.60 : 965,874,687.48 = 532,928,794.86 : x
  2. Step 2: Convert to fraction form
    644,861,685.60/965,874,687.48 = 532,928,794.86/x
  3. Step 3: Cross multiply
    644,861,685.60x = 965,874,687.48 × 532,928,794.86
  4. Step 4: Simplify right side
    644,861,685.60x = 514,742,433,184,495,552
  5. Step 5: Solve for x
    x = 514,742,433,184,495,552/644,861,685.60
  6. Step 6: Final answer
    x = 798,221,455.36

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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.