Home / 433,748,216.40-651,126,209.40-261,419,614.80

Finding the Fourth Proportional to 433,748,216.40, 651,126,209.40 and 261,419,614.80

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Solution

The fourth proportional to 433,748,216.40, 651,126,209.40 and 261,419,614.80 is: 392,433,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,748,216.40 : 651,126,209.40 = 261,419,614.80 : x
  2. Step 2: Convert to fraction form
    433,748,216.40/651,126,209.40 = 261,419,614.80/x
  3. Step 3: Cross multiply
    433,748,216.40x = 651,126,209.40 × 261,419,614.80
  4. Step 4: Simplify right side
    433,748,216.40x = 170,217,162,847,532,128
  5. Step 5: Solve for x
    x = 170,217,162,847,532,128/433,748,216.40
  6. Step 6: Final answer
    x = 392,433,113.06

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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.