Home / 659,155,558.04-988,177,267.74-542,576,667.38

Finding the Fourth Proportional to 659,155,558.04, 988,177,267.74 and 542,576,667.38

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Solution

The fourth proportional to 659,155,558.04, 988,177,267.74 and 542,576,667.38 is: 813,407,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,155,558.04 : 988,177,267.74 = 542,576,667.38 : x
  2. Step 2: Convert to fraction form
    659,155,558.04/988,177,267.74 = 542,576,667.38/x
  3. Step 3: Cross multiply
    659,155,558.04x = 988,177,267.74 × 542,576,667.38
  4. Step 4: Simplify right side
    659,155,558.04x = 536,161,928,711,043,200
  5. Step 5: Solve for x
    x = 536,161,928,711,043,200/659,155,558.04
  6. Step 6: Final answer
    x = 813,407,278.71

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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.