Home / 807,003,687.60-1,207,954,614.60-577,421,175.60

Finding the Fourth Proportional to 807,003,687.60, 1,207,954,614.60 and 577,421,175.60

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Solution

The fourth proportional to 807,003,687.60, 1,207,954,614.60 and 577,421,175.60 is: 864,306,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,003,687.60 : 1,207,954,614.60 = 577,421,175.60 : x
  2. Step 2: Convert to fraction form
    807,003,687.60/1,207,954,614.60 = 577,421,175.60/x
  3. Step 3: Cross multiply
    807,003,687.60x = 1,207,954,614.60 × 577,421,175.60
  4. Step 4: Simplify right side
    807,003,687.60x = 697,498,573,633,776,896
  5. Step 5: Solve for x
    x = 697,498,573,633,776,896/807,003,687.60
  6. Step 6: Final answer
    x = 864,306,550.70

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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.