Home / 1,131,714,501.66-1,561,766,087.39-629,912,516.43

Finding the Fourth Proportional to 1,131,714,501.66, 1,561,766,087.39 and 629,912,516.43

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Solution

The fourth proportional to 1,131,714,501.66, 1,561,766,087.39 and 629,912,516.43 is: 869,279,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,714,501.66 : 1,561,766,087.39 = 629,912,516.43 : x
  2. Step 2: Convert to fraction form
    1,131,714,501.66/1,561,766,087.39 = 629,912,516.43/x
  3. Step 3: Cross multiply
    1,131,714,501.66x = 1,561,766,087.39 × 629,912,516.43
  4. Step 4: Simplify right side
    1,131,714,501.66x = 983,776,006,182,870,144
  5. Step 5: Solve for x
    x = 983,776,006,182,870,144/1,131,714,501.66
  6. Step 6: Final answer
    x = 869,279,314.47

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Double scale
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1.5x scale

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.