Home / 719,566,027.92-993,001,452.92-389,541,166.96

Finding the Fourth Proportional to 719,566,027.92, 993,001,452.92 and 389,541,166.96

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Solution

The fourth proportional to 719,566,027.92, 993,001,452.92 and 389,541,166.96 is: 537,566,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,566,027.92 : 993,001,452.92 = 389,541,166.96 : x
  2. Step 2: Convert to fraction form
    719,566,027.92/993,001,452.92 = 389,541,166.96/x
  3. Step 3: Cross multiply
    719,566,027.92x = 993,001,452.92 × 389,541,166.96
  4. Step 4: Simplify right side
    719,566,027.92x = 386,814,944,763,432,256
  5. Step 5: Solve for x
    x = 386,814,944,763,432,256/719,566,027.92
  6. Step 6: Final answer
    x = 537,566,991.43

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1.5x scale

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.