Home / 1,131,714,502.60-1,561,766,088.69-629,912,517.36

Finding the Fourth Proportional to 1,131,714,502.60, 1,561,766,088.69 and 629,912,517.36

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Solution

The fourth proportional to 1,131,714,502.60, 1,561,766,088.69 and 629,912,517.36 is: 869,279,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,714,502.60 : 1,561,766,088.69 = 629,912,517.36 : x
  2. Step 2: Convert to fraction form
    1,131,714,502.60/1,561,766,088.69 = 629,912,517.36/x
  3. Step 3: Cross multiply
    1,131,714,502.60x = 1,561,766,088.69 × 629,912,517.36
  4. Step 4: Simplify right side
    1,131,714,502.60x = 983,776,008,454,199,040
  5. Step 5: Solve for x
    x = 983,776,008,454,199,040/1,131,714,502.60
  6. Step 6: Final answer
    x = 869,279,315.76

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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.