Home / 1,177,928,146.14-1,625,613,568.47-649,290,939.90

Finding the Fourth Proportional to 1,177,928,146.14, 1,625,613,568.47 and 649,290,939.90

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Solution

The fourth proportional to 1,177,928,146.14, 1,625,613,568.47 and 649,290,939.90 is: 896,061,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,928,146.14 : 1,625,613,568.47 = 649,290,939.90 : x
  2. Step 2: Convert to fraction form
    1,177,928,146.14/1,625,613,568.47 = 649,290,939.90/x
  3. Step 3: Cross multiply
    1,177,928,146.14x = 1,625,613,568.47 × 649,290,939.90
  4. Step 4: Simplify right side
    1,177,928,146.14x = 1,055,496,161,786,079,232
  5. Step 5: Solve for x
    x = 1,055,496,161,786,079,232/1,177,928,146.14
  6. Step 6: Final answer
    x = 896,061,585.12

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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.