Home / 658,583,824.30-908,846,976.04-361,228,486.55

Finding the Fourth Proportional to 658,583,824.30, 908,846,976.04 and 361,228,486.55

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Solution

The fourth proportional to 658,583,824.30, 908,846,976.04 and 361,228,486.55 is: 498,496,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,583,824.30 : 908,846,976.04 = 361,228,486.55 : x
  2. Step 2: Convert to fraction form
    658,583,824.30/908,846,976.04 = 361,228,486.55/x
  3. Step 3: Cross multiply
    658,583,824.30x = 908,846,976.04 × 361,228,486.55
  4. Step 4: Simplify right side
    658,583,824.30x = 328,301,417,655,026,048
  5. Step 5: Solve for x
    x = 328,301,417,655,026,048/658,583,824.30
  6. Step 6: Final answer
    x = 498,496,023.65

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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.