Home / 498,745,851,072.76-748,043,187,221.67-135,739,803,878.88

Finding the Fourth Proportional to 498,745,851,072.76, 748,043,187,221.67 and 135,739,803,878.88

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Solution

The fourth proportional to 498,745,851,072.76, 748,043,187,221.67 and 135,739,803,878.88 is: 203,589,133,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,745,851,072.76 : 748,043,187,221.67 = 135,739,803,878.88 : x
  2. Step 2: Convert to fraction form
    498,745,851,072.76/748,043,187,221.67 = 135,739,803,878.88/x
  3. Step 3: Cross multiply
    498,745,851,072.76x = 748,043,187,221.67 × 135,739,803,878.88
  4. Step 4: Simplify right side
    498,745,851,072.76x = 101,539,235,526,401,813,643,264
  5. Step 5: Solve for x
    x = 101,539,235,526,401,813,643,264/498,745,851,072.76
  6. Step 6: Final answer
    x = 203,589,133,238.90

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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.