Home / 906,555,489.60-1,359,833,234.40-580,038,139.20

Finding the Fourth Proportional to 906,555,489.60, 1,359,833,234.40 and 580,038,139.20

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Solution

The fourth proportional to 906,555,489.60, 1,359,833,234.40 and 580,038,139.20 is: 870,057,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,555,489.60 : 1,359,833,234.40 = 580,038,139.20 : x
  2. Step 2: Convert to fraction form
    906,555,489.60/1,359,833,234.40 = 580,038,139.20/x
  3. Step 3: Cross multiply
    906,555,489.60x = 1,359,833,234.40 × 580,038,139.20
  4. Step 4: Simplify right side
    906,555,489.60x = 788,755,138,903,693,568
  5. Step 5: Solve for x
    x = 788,755,138,903,693,568/906,555,489.60
  6. Step 6: Final answer
    x = 870,057,208.80

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Why These Related Problems?

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