Home / 1,180,981,347.60-1,771,472,021.40-790,691,077.20

Finding the Fourth Proportional to 1,180,981,347.60, 1,771,472,021.40 and 790,691,077.20

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Solution

The fourth proportional to 1,180,981,347.60, 1,771,472,021.40 and 790,691,077.20 is: 1,186,036,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,981,347.60 : 1,771,472,021.40 = 790,691,077.20 : x
  2. Step 2: Convert to fraction form
    1,180,981,347.60/1,771,472,021.40 = 790,691,077.20/x
  3. Step 3: Cross multiply
    1,180,981,347.60x = 1,771,472,021.40 × 790,691,077.20
  4. Step 4: Simplify right side
    1,180,981,347.60x = 1,400,687,120,830,427,648
  5. Step 5: Solve for x
    x = 1,400,687,120,830,427,648/1,180,981,347.60
  6. Step 6: Final answer
    x = 1,186,036,615.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.