Home / 647,694,835.40-971,542,253.10-531,468,688.70

Finding the Fourth Proportional to 647,694,835.40, 971,542,253.10 and 531,468,688.70

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Solution

The fourth proportional to 647,694,835.40, 971,542,253.10 and 531,468,688.70 is: 797,203,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,835.40 : 971,542,253.10 = 531,468,688.70 : x
  2. Step 2: Convert to fraction form
    647,694,835.40/971,542,253.10 = 531,468,688.70/x
  3. Step 3: Cross multiply
    647,694,835.40x = 971,542,253.10 × 531,468,688.70
  4. Step 4: Simplify right side
    647,694,835.40x = 516,344,287,271,700,480
  5. Step 5: Solve for x
    x = 516,344,287,271,700,480/647,694,835.40
  6. Step 6: Final answer
    x = 797,203,033.05

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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.