Home / 20,861,351,829.11-31,292,221,442.15-5,938,516,873.49

Finding the Fourth Proportional to 20,861,351,829.11, 31,292,221,442.15 and 5,938,516,873.49

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Solution

The fourth proportional to 20,861,351,829.11, 31,292,221,442.15 and 5,938,516,873.49 is: 8,907,830,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,861,351,829.11 : 31,292,221,442.15 = 5,938,516,873.49 : x
  2. Step 2: Convert to fraction form
    20,861,351,829.11/31,292,221,442.15 = 5,938,516,873.49/x
  3. Step 3: Cross multiply
    20,861,351,829.11x = 31,292,221,442.15 × 5,938,516,873.49
  4. Step 4: Simplify right side
    20,861,351,829.11x = 185,829,385,043,054,690,304
  5. Step 5: Solve for x
    x = 185,829,385,043,054,690,304/20,861,351,829.11
  6. Step 6: Final answer
    x = 8,907,830,449.59

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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.