Home / 1,131,714,503.17-1,561,766,089.47-629,912,517.93

Finding the Fourth Proportional to 1,131,714,503.17, 1,561,766,089.47 and 629,912,517.93

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Solution

The fourth proportional to 1,131,714,503.17, 1,561,766,089.47 and 629,912,517.93 is: 869,279,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,714,503.17 : 1,561,766,089.47 = 629,912,517.93 : x
  2. Step 2: Convert to fraction form
    1,131,714,503.17/1,561,766,089.47 = 629,912,517.93/x
  3. Step 3: Cross multiply
    1,131,714,503.17x = 1,561,766,089.47 × 629,912,517.93
  4. Step 4: Simplify right side
    1,131,714,503.17x = 983,776,009,835,737,344
  5. Step 5: Solve for x
    x = 983,776,009,835,737,344/1,131,714,503.17
  6. Step 6: Final answer
    x = 869,279,316.54

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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.