Home / 1,298,070,754.57-1,791,339,215.94-703,354,778.94

Finding the Fourth Proportional to 1,298,070,754.57, 1,791,339,215.94 and 703,354,778.94

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Solution

The fourth proportional to 1,298,070,754.57, 1,791,339,215.94 and 703,354,778.94 is: 970,630,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,070,754.57 : 1,791,339,215.94 = 703,354,778.94 : x
  2. Step 2: Convert to fraction form
    1,298,070,754.57/1,791,339,215.94 = 703,354,778.94/x
  3. Step 3: Cross multiply
    1,298,070,754.57x = 1,791,339,215.94 × 703,354,778.94
  4. Step 4: Simplify right side
    1,298,070,754.57x = 1,259,946,998,234,031,872
  5. Step 5: Solve for x
    x = 1,259,946,998,234,031,872/1,298,070,754.57
  6. Step 6: Final answer
    x = 970,630,448.15

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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.