Home / 1,700,640,046.70-2,550,960,070.05-1,289,470,049.90

Finding the Fourth Proportional to 1,700,640,046.70, 2,550,960,070.05 and 1,289,470,049.90

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Solution

The fourth proportional to 1,700,640,046.70, 2,550,960,070.05 and 1,289,470,049.90 is: 1,934,205,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,640,046.70 : 2,550,960,070.05 = 1,289,470,049.90 : x
  2. Step 2: Convert to fraction form
    1,700,640,046.70/2,550,960,070.05 = 1,289,470,049.90/x
  3. Step 3: Cross multiply
    1,700,640,046.70x = 2,550,960,070.05 × 1,289,470,049.90
  4. Step 4: Simplify right side
    1,700,640,046.70x = 3,289,386,608,820,281,344
  5. Step 5: Solve for x
    x = 3,289,386,608,820,281,344/1,700,640,046.70
  6. Step 6: Final answer
    x = 1,934,205,074.85

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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.