Home / 659,155,541.06-988,177,242.22-542,576,650.39

Finding the Fourth Proportional to 659,155,541.06, 988,177,242.22 and 542,576,650.39

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Solution

The fourth proportional to 659,155,541.06, 988,177,242.22 and 542,576,650.39 is: 813,407,253.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,155,541.06 : 988,177,242.22 = 542,576,650.39 : x
  2. Step 2: Convert to fraction form
    659,155,541.06/988,177,242.22 = 542,576,650.39/x
  3. Step 3: Cross multiply
    659,155,541.06x = 988,177,242.22 × 542,576,650.39
  4. Step 4: Simplify right side
    659,155,541.06x = 536,161,898,071,537,216
  5. Step 5: Solve for x
    x = 536,161,898,071,537,216/659,155,541.06
  6. Step 6: Final answer
    x = 813,407,253.18

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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.