Home / 1,298,070,761.35-1,791,339,225.24-703,354,785.70

Finding the Fourth Proportional to 1,298,070,761.35, 1,791,339,225.24 and 703,354,785.70

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Solution

The fourth proportional to 1,298,070,761.35, 1,791,339,225.24 and 703,354,785.70 is: 970,630,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,070,761.35 : 1,791,339,225.24 = 703,354,785.70 : x
  2. Step 2: Convert to fraction form
    1,298,070,761.35/1,791,339,225.24 = 703,354,785.70/x
  3. Step 3: Cross multiply
    1,298,070,761.35x = 1,791,339,225.24 × 703,354,785.70
  4. Step 4: Simplify right side
    1,298,070,761.35x = 1,259,947,016,884,684,288
  5. Step 5: Solve for x
    x = 1,259,947,016,884,684,288/1,298,070,761.35
  6. Step 6: Final answer
    x = 970,630,457.44

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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.