Home / 25,723,665,635.95-35,499,616,608.52-15,425,437,231.32

Finding the Fourth Proportional to 25,723,665,635.95, 35,499,616,608.52 and 15,425,437,231.32

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Solution

The fourth proportional to 25,723,665,635.95, 35,499,616,608.52 and 15,425,437,231.32 is: 21,287,677,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723,665,635.95 : 35,499,616,608.52 = 15,425,437,231.32 : x
  2. Step 2: Convert to fraction form
    25,723,665,635.95/35,499,616,608.52 = 15,425,437,231.32/x
  3. Step 3: Cross multiply
    25,723,665,635.95x = 35,499,616,608.52 × 15,425,437,231.32
  4. Step 4: Simplify right side
    25,723,665,635.95x = 547,597,107,730,523,750,400
  5. Step 5: Solve for x
    x = 547,597,107,730,523,750,400/25,723,665,635.95
  6. Step 6: Final answer
    x = 21,287,677,871.43

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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.