Home / 2,888,612,859.38-4,329,895,160.85-1,208,860,752.21

Finding the Fourth Proportional to 2,888,612,859.38, 4,329,895,160.85 and 1,208,860,752.21

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Solution

The fourth proportional to 2,888,612,859.38, 4,329,895,160.85 and 1,208,860,752.21 is: 1,812,025,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,612,859.38 : 4,329,895,160.85 = 1,208,860,752.21 : x
  2. Step 2: Convert to fraction form
    2,888,612,859.38/4,329,895,160.85 = 1,208,860,752.21/x
  3. Step 3: Cross multiply
    2,888,612,859.38x = 4,329,895,160.85 × 1,208,860,752.21
  4. Step 4: Simplify right side
    2,888,612,859.38x = 5,234,240,321,135,570,944
  5. Step 5: Solve for x
    x = 5,234,240,321,135,570,944/2,888,612,859.38
  6. Step 6: Final answer
    x = 1,812,025,555.50

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Double scale
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1.5x scale

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.