Home / 659,013,635.04-990,063,993.60-621,785,602.56

Finding the Fourth Proportional to 659,013,635.04, 990,063,993.60 and 621,785,602.56

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Solution

The fourth proportional to 659,013,635.04, 990,063,993.60 and 621,785,602.56 is: 934,134,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,013,635.04 : 990,063,993.60 = 621,785,602.56 : x
  2. Step 2: Convert to fraction form
    659,013,635.04/990,063,993.60 = 621,785,602.56/x
  3. Step 3: Cross multiply
    659,013,635.04x = 990,063,993.60 × 621,785,602.56
  4. Step 4: Simplify right side
    659,013,635.04x = 615,607,536,833,536,000
  5. Step 5: Solve for x
    x = 615,607,536,833,536,000/659,013,635.04
  6. Step 6: Final answer
    x = 934,134,749.42

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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.