Home / 513,104,920.20-769,657,380.30-448,534,838.70

Finding the Fourth Proportional to 513,104,920.20, 769,657,380.30 and 448,534,838.70

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Solution

The fourth proportional to 513,104,920.20, 769,657,380.30 and 448,534,838.70 is: 672,802,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,104,920.20 : 769,657,380.30 = 448,534,838.70 : x
  2. Step 2: Convert to fraction form
    513,104,920.20/769,657,380.30 = 448,534,838.70/x
  3. Step 3: Cross multiply
    513,104,920.20x = 769,657,380.30 × 448,534,838.70
  4. Step 4: Simplify right side
    513,104,920.20x = 345,218,148,927,125,056
  5. Step 5: Solve for x
    x = 345,218,148,927,125,056/513,104,920.20
  6. Step 6: Final answer
    x = 672,802,258.05

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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.