Home / 522,472,479.75-720,849,703.18-296,374,200.11

Finding the Fourth Proportional to 522,472,479.75, 720,849,703.18 and 296,374,200.11

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Solution

The fourth proportional to 522,472,479.75, 720,849,703.18 and 296,374,200.11 is: 408,904,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,472,479.75 : 720,849,703.18 = 296,374,200.11 : x
  2. Step 2: Convert to fraction form
    522,472,479.75/720,849,703.18 = 296,374,200.11/x
  3. Step 3: Cross multiply
    522,472,479.75x = 720,849,703.18 × 296,374,200.11
  4. Step 4: Simplify right side
    522,472,479.75x = 213,641,254,179,503,424
  5. Step 5: Solve for x
    x = 213,641,254,179,503,424/522,472,479.75
  6. Step 6: Final answer
    x = 408,904,320.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.