Home / 7,215,178,295.20-9,953,407,793.17-6,261,220,110.41

Finding the Fourth Proportional to 7,215,178,295.20, 9,953,407,793.17 and 6,261,220,110.41

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Solution

The fourth proportional to 7,215,178,295.20, 9,953,407,793.17 and 6,261,220,110.41 is: 8,637,413,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,178,295.20 : 9,953,407,793.17 = 6,261,220,110.41 : x
  2. Step 2: Convert to fraction form
    7,215,178,295.20/9,953,407,793.17 = 6,261,220,110.41/x
  3. Step 3: Cross multiply
    7,215,178,295.20x = 9,953,407,793.17 × 6,261,220,110.41
  4. Step 4: Simplify right side
    7,215,178,295.20x = 62,320,477,041,690,419,200
  5. Step 5: Solve for x
    x = 62,320,477,041,690,419,200/7,215,178,295.20
  6. Step 6: Final answer
    x = 8,637,413,310.10

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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.