Home / 295,280,673.90-442,921,010.85-278,274,561.90

Finding the Fourth Proportional to 295,280,673.90, 442,921,010.85 and 278,274,561.90

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Solution

The fourth proportional to 295,280,673.90, 442,921,010.85 and 278,274,561.90 is: 417,411,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,280,673.90 : 442,921,010.85 = 278,274,561.90 : x
  2. Step 2: Convert to fraction form
    295,280,673.90/442,921,010.85 = 278,274,561.90/x
  3. Step 3: Cross multiply
    295,280,673.90x = 442,921,010.85 × 278,274,561.90
  4. Step 4: Simplify right side
    295,280,673.90x = 123,253,650,250,588,896
  5. Step 5: Solve for x
    x = 123,253,650,250,588,896/295,280,673.90
  6. Step 6: Final answer
    x = 417,411,842.85

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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.