Home / 1,398,815,656.08-1,930,534,881.30-796,132,820.80

Finding the Fourth Proportional to 1,398,815,656.08, 1,930,534,881.30 and 796,132,820.80

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Solution

The fourth proportional to 1,398,815,656.08, 1,930,534,881.30 and 796,132,820.80 is: 1,098,759,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,815,656.08 : 1,930,534,881.30 = 796,132,820.80 : x
  2. Step 2: Convert to fraction form
    1,398,815,656.08/1,930,534,881.30 = 796,132,820.80/x
  3. Step 3: Cross multiply
    1,398,815,656.08x = 1,930,534,881.30 × 796,132,820.80
  4. Step 4: Simplify right side
    1,398,815,656.08x = 1,536,962,180,702,161,920
  5. Step 5: Solve for x
    x = 1,536,962,180,702,161,920/1,398,815,656.08
  6. Step 6: Final answer
    x = 1,098,759,635.71

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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.