Home / 1,131,714,502.17-1,561,766,088.09-629,912,516.93

Finding the Fourth Proportional to 1,131,714,502.17, 1,561,766,088.09 and 629,912,516.93

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Solution

The fourth proportional to 1,131,714,502.17, 1,561,766,088.09 and 629,912,516.93 is: 869,279,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,714,502.17 : 1,561,766,088.09 = 629,912,516.93 : x
  2. Step 2: Convert to fraction form
    1,131,714,502.17/1,561,766,088.09 = 629,912,516.93/x
  3. Step 3: Cross multiply
    1,131,714,502.17x = 1,561,766,088.09 × 629,912,516.93
  4. Step 4: Simplify right side
    1,131,714,502.17x = 983,776,007,396,883,072
  5. Step 5: Solve for x
    x = 983,776,007,396,883,072/1,131,714,502.17
  6. Step 6: Final answer
    x = 869,279,315.15

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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.