Home / 40,542,649,332.57-60,848,985,332.34-28,129,696,865.01

Finding the Fourth Proportional to 40,542,649,332.57, 60,848,985,332.34 and 28,129,696,865.01

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Solution

The fourth proportional to 40,542,649,332.57, 60,848,985,332.34 and 28,129,696,865.01 is: 42,218,837,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542,649,332.57 : 60,848,985,332.34 = 28,129,696,865.01 : x
  2. Step 2: Convert to fraction form
    40,542,649,332.57/60,848,985,332.34 = 28,129,696,865.01/x
  3. Step 3: Cross multiply
    40,542,649,332.57x = 60,848,985,332.34 × 28,129,696,865.01
  4. Step 4: Simplify right side
    40,542,649,332.57x = 1,711,663,511,942,163,857,408
  5. Step 5: Solve for x
    x = 1,711,663,511,942,163,857,408/40,542,649,332.57
  6. Step 6: Final answer
    x = 42,218,837,202.81

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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.