Home / 1,177,928,146.77-1,625,613,569.33-649,290,940.53

Finding the Fourth Proportional to 1,177,928,146.77, 1,625,613,569.33 and 649,290,940.53

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Solution

The fourth proportional to 1,177,928,146.77, 1,625,613,569.33 and 649,290,940.53 is: 896,061,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,928,146.77 : 1,625,613,569.33 = 649,290,940.53 : x
  2. Step 2: Convert to fraction form
    1,177,928,146.77/1,625,613,569.33 = 649,290,940.53/x
  3. Step 3: Cross multiply
    1,177,928,146.77x = 1,625,613,569.33 × 649,290,940.53
  4. Step 4: Simplify right side
    1,177,928,146.77x = 1,055,496,163,368,605,952
  5. Step 5: Solve for x
    x = 1,055,496,163,368,605,952/1,177,928,146.77
  6. Step 6: Final answer
    x = 896,061,585.98

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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.