Home / 303,571,226.77-455,538,194.09-278,872,948.55

Finding the Fourth Proportional to 303,571,226.77, 455,538,194.09 and 278,872,948.55

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Solution

The fourth proportional to 303,571,226.77, 455,538,194.09 and 278,872,948.55 is: 418,476,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,571,226.77 : 455,538,194.09 = 278,872,948.55 : x
  2. Step 2: Convert to fraction form
    303,571,226.77/455,538,194.09 = 278,872,948.55/x
  3. Step 3: Cross multiply
    303,571,226.77x = 455,538,194.09 × 278,872,948.55
  4. Step 4: Simplify right side
    303,571,226.77x = 127,037,279,363,020,480
  5. Step 5: Solve for x
    x = 127,037,279,363,020,480/303,571,226.77
  6. Step 6: Final answer
    x = 418,476,021.97

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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.