Home / 1,298,070,757.35-1,791,339,219.72-703,354,781.70

Finding the Fourth Proportional to 1,298,070,757.35, 1,791,339,219.72 and 703,354,781.70

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Solution

The fourth proportional to 1,298,070,757.35, 1,791,339,219.72 and 703,354,781.70 is: 970,630,451.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,070,757.35 : 1,791,339,219.72 = 703,354,781.70 : x
  2. Step 2: Convert to fraction form
    1,298,070,757.35/1,791,339,219.72 = 703,354,781.70/x
  3. Step 3: Cross multiply
    1,298,070,757.35x = 1,791,339,219.72 × 703,354,781.70
  4. Step 4: Simplify right side
    1,298,070,757.35x = 1,259,947,005,836,808,960
  5. Step 5: Solve for x
    x = 1,259,947,005,836,808,960/1,298,070,757.35
  6. Step 6: Final answer
    x = 970,630,451.92

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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.