Home / 279,936,407.10-419,904,610.65-260,804,531.10

Finding the Fourth Proportional to 279,936,407.10, 419,904,610.65 and 260,804,531.10

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Solution

The fourth proportional to 279,936,407.10, 419,904,610.65 and 260,804,531.10 is: 391,206,796.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,936,407.10 : 419,904,610.65 = 260,804,531.10 : x
  2. Step 2: Convert to fraction form
    279,936,407.10/419,904,610.65 = 260,804,531.10/x
  3. Step 3: Cross multiply
    279,936,407.10x = 419,904,610.65 × 260,804,531.10
  4. Step 4: Simplify right side
    279,936,407.10x = 109,513,025,087,301,312
  5. Step 5: Solve for x
    x = 109,513,025,087,301,312/279,936,407.10
  6. Step 6: Final answer
    x = 391,206,796.65

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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.