Home / 12,539,918,778.38-18,811,645,130.72-4,028,447,527.56

Finding the Fourth Proportional to 12,539,918,778.38, 18,811,645,130.72 and 4,028,447,527.56

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Solution

The fourth proportional to 12,539,918,778.38, 18,811,645,130.72 and 4,028,447,527.56 is: 6,043,238,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539,918,778.38 : 18,811,645,130.72 = 4,028,447,527.56 : x
  2. Step 2: Convert to fraction form
    12,539,918,778.38/18,811,645,130.72 = 4,028,447,527.56/x
  3. Step 3: Cross multiply
    12,539,918,778.38x = 18,811,645,130.72 × 4,028,447,527.56
  4. Step 4: Simplify right side
    12,539,918,778.38x = 75,781,725,316,185,096,192
  5. Step 5: Solve for x
    x = 75,781,725,316,185,096,192/12,539,918,778.38
  6. Step 6: Final answer
    x = 6,043,238,928.06

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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.