Home / 366,606,906.30-549,910,359.45-319,255,513.20

Finding the Fourth Proportional to 366,606,906.30, 549,910,359.45 and 319,255,513.20

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Solution

The fourth proportional to 366,606,906.30, 549,910,359.45 and 319,255,513.20 is: 478,883,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,606,906.30 : 549,910,359.45 = 319,255,513.20 : x
  2. Step 2: Convert to fraction form
    366,606,906.30/549,910,359.45 = 319,255,513.20/x
  3. Step 3: Cross multiply
    366,606,906.30x = 549,910,359.45 × 319,255,513.20
  4. Step 4: Simplify right side
    366,606,906.30x = 175,561,914,020,206,240
  5. Step 5: Solve for x
    x = 175,561,914,020,206,240/366,606,906.30
  6. Step 6: Final answer
    x = 478,883,269.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.