Home / 1,177,928,145.77-1,625,613,567.95-649,290,939.53

Finding the Fourth Proportional to 1,177,928,145.77, 1,625,613,567.95 and 649,290,939.53

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Solution

The fourth proportional to 1,177,928,145.77, 1,625,613,567.95 and 649,290,939.53 is: 896,061,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,928,145.77 : 1,625,613,567.95 = 649,290,939.53 : x
  2. Step 2: Convert to fraction form
    1,177,928,145.77/1,625,613,567.95 = 649,290,939.53/x
  3. Step 3: Cross multiply
    1,177,928,145.77x = 1,625,613,567.95 × 649,290,939.53
  4. Step 4: Simplify right side
    1,177,928,145.77x = 1,055,496,160,840,466,176
  5. Step 5: Solve for x
    x = 1,055,496,160,840,466,176/1,177,928,145.77
  6. Step 6: Final answer
    x = 896,061,584.60

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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.