Home / 12,561,938,125.73-18,842,907,188.60-12,474,768,515.70

Finding the Fourth Proportional to 12,561,938,125.73, 18,842,907,188.60 and 12,474,768,515.70

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Solution

The fourth proportional to 12,561,938,125.73, 18,842,907,188.60 and 12,474,768,515.70 is: 18,712,152,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561,938,125.73 : 18,842,907,188.60 = 12,474,768,515.70 : x
  2. Step 2: Convert to fraction form
    12,561,938,125.73/18,842,907,188.60 = 12,474,768,515.70/x
  3. Step 3: Cross multiply
    12,561,938,125.73x = 18,842,907,188.60 × 12,474,768,515.70
  4. Step 4: Simplify right side
    12,561,938,125.73x = 235,060,905,340,604,481,536
  5. Step 5: Solve for x
    x = 235,060,905,340,604,481,536/12,561,938,125.73
  6. Step 6: Final answer
    x = 18,712,152,773.56

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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.