Home / 987,350,953.05-1,362,536,765.69-541,308,978.81

Finding the Fourth Proportional to 987,350,953.05, 1,362,536,765.69 and 541,308,978.81

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Solution

The fourth proportional to 987,350,953.05, 1,362,536,765.69 and 541,308,978.81 is: 747,002,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,350,953.05 : 1,362,536,765.69 = 541,308,978.81 : x
  2. Step 2: Convert to fraction form
    987,350,953.05/1,362,536,765.69 = 541,308,978.81/x
  3. Step 3: Cross multiply
    987,350,953.05x = 1,362,536,765.69 × 541,308,978.81
  4. Step 4: Simplify right side
    987,350,953.05x = 737,553,385,224,027,520
  5. Step 5: Solve for x
    x = 737,553,385,224,027,520/987,350,953.05
  6. Step 6: Final answer
    x = 747,002,251.78

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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.