Home / 295,248,019.20-442,872,028.80-278,526,508.80

Finding the Fourth Proportional to 295,248,019.20, 442,872,028.80 and 278,526,508.80

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Solution

The fourth proportional to 295,248,019.20, 442,872,028.80 and 278,526,508.80 is: 417,789,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,248,019.20 : 442,872,028.80 = 278,526,508.80 : x
  2. Step 2: Convert to fraction form
    295,248,019.20/442,872,028.80 = 278,526,508.80/x
  3. Step 3: Cross multiply
    295,248,019.20x = 442,872,028.80 × 278,526,508.80
  4. Step 4: Simplify right side
    295,248,019.20x = 123,351,600,026,837,056
  5. Step 5: Solve for x
    x = 123,351,600,026,837,056/295,248,019.20
  6. Step 6: Final answer
    x = 417,789,763.20

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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.