Home / 858,088,110.80-1,287,132,166.20-283,659,438.80

Finding the Fourth Proportional to 858,088,110.80, 1,287,132,166.20 and 283,659,438.80

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Solution

The fourth proportional to 858,088,110.80, 1,287,132,166.20 and 283,659,438.80 is: 425,489,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,088,110.80 : 1,287,132,166.20 = 283,659,438.80 : x
  2. Step 2: Convert to fraction form
    858,088,110.80/1,287,132,166.20 = 283,659,438.80/x
  3. Step 3: Cross multiply
    858,088,110.80x = 1,287,132,166.20 × 283,659,438.80
  4. Step 4: Simplify right side
    858,088,110.80x = 365,107,187,925,720,384
  5. Step 5: Solve for x
    x = 365,107,187,925,720,384/858,088,110.80
  6. Step 6: Final answer
    x = 425,489,158.20

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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.