Home / 457,794,469.20-686,691,703.80-436,749,405.60

Finding the Fourth Proportional to 457,794,469.20, 686,691,703.80 and 436,749,405.60

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Solution

The fourth proportional to 457,794,469.20, 686,691,703.80 and 436,749,405.60 is: 655,124,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,794,469.20 : 686,691,703.80 = 436,749,405.60 : x
  2. Step 2: Convert to fraction form
    457,794,469.20/686,691,703.80 = 436,749,405.60/x
  3. Step 3: Cross multiply
    457,794,469.20x = 686,691,703.80 × 436,749,405.60
  4. Step 4: Simplify right side
    457,794,469.20x = 299,912,193,465,101,248
  5. Step 5: Solve for x
    x = 299,912,193,465,101,248/457,794,469.20
  6. Step 6: Final answer
    x = 655,124,108.40

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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.