Home / 659,155,559.04-988,177,269.24-542,576,668.38

Finding the Fourth Proportional to 659,155,559.04, 988,177,269.24 and 542,576,668.38

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Solution

The fourth proportional to 659,155,559.04, 988,177,269.24 and 542,576,668.38 is: 813,407,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,155,559.04 : 988,177,269.24 = 542,576,668.38 : x
  2. Step 2: Convert to fraction form
    659,155,559.04/988,177,269.24 = 542,576,668.38/x
  3. Step 3: Cross multiply
    659,155,559.04x = 988,177,269.24 × 542,576,668.38
  4. Step 4: Simplify right side
    659,155,559.04x = 536,161,930,513,085,440
  5. Step 5: Solve for x
    x = 536,161,930,513,085,440/659,155,559.04
  6. Step 6: Final answer
    x = 813,407,280.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.