Home / 656,723,573.40-984,435,632.10-311,069,659.80

Finding the Fourth Proportional to 656,723,573.40, 984,435,632.10 and 311,069,659.80

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Solution

The fourth proportional to 656,723,573.40, 984,435,632.10 and 311,069,659.80 is: 466,296,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,723,573.40 : 984,435,632.10 = 311,069,659.80 : x
  2. Step 2: Convert to fraction form
    656,723,573.40/984,435,632.10 = 311,069,659.80/x
  3. Step 3: Cross multiply
    656,723,573.40x = 984,435,632.10 × 311,069,659.80
  4. Step 4: Simplify right side
    656,723,573.40x = 306,228,057,172,344,960
  5. Step 5: Solve for x
    x = 306,228,057,172,344,960/656,723,573.40
  6. Step 6: Final answer
    x = 466,296,733.63

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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.