Home / 645,957,999.30-968,936,998.95-301,584,231.30

Finding the Fourth Proportional to 645,957,999.30, 968,936,998.95 and 301,584,231.30

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Solution

The fourth proportional to 645,957,999.30, 968,936,998.95 and 301,584,231.30 is: 452,376,346.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,957,999.30 : 968,936,998.95 = 301,584,231.30 : x
  2. Step 2: Convert to fraction form
    645,957,999.30/968,936,998.95 = 301,584,231.30/x
  3. Step 3: Cross multiply
    645,957,999.30x = 968,936,998.95 × 301,584,231.30
  4. Step 4: Simplify right side
    645,957,999.30x = 292,216,120,006,464,704
  5. Step 5: Solve for x
    x = 292,216,120,006,464,704/645,957,999.30
  6. Step 6: Final answer
    x = 452,376,346.95

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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.