Home / 295,248,025.20-442,872,037.80-278,526,514.80

Finding the Fourth Proportional to 295,248,025.20, 442,872,037.80 and 278,526,514.80

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Solution

The fourth proportional to 295,248,025.20, 442,872,037.80 and 278,526,514.80 is: 417,789,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,248,025.20 : 442,872,037.80 = 278,526,514.80 : x
  2. Step 2: Convert to fraction form
    295,248,025.20/442,872,037.80 = 278,526,514.80/x
  3. Step 3: Cross multiply
    295,248,025.20x = 442,872,037.80 × 278,526,514.80
  4. Step 4: Simplify right side
    295,248,025.20x = 123,351,605,190,807,872
  5. Step 5: Solve for x
    x = 123,351,605,190,807,872/295,248,025.20
  6. Step 6: Final answer
    x = 417,789,772.20

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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.