Home / 1,700,640,049.45-2,550,960,074.18-1,289,470,052.65

Finding the Fourth Proportional to 1,700,640,049.45, 2,550,960,074.18 and 1,289,470,052.65

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Solution

The fourth proportional to 1,700,640,049.45, 2,550,960,074.18 and 1,289,470,052.65 is: 1,934,205,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,640,049.45 : 2,550,960,074.18 = 1,289,470,052.65 : x
  2. Step 2: Convert to fraction form
    1,700,640,049.45/2,550,960,074.18 = 1,289,470,052.65/x
  3. Step 3: Cross multiply
    1,700,640,049.45x = 2,550,960,074.18 × 1,289,470,052.65
  4. Step 4: Simplify right side
    1,700,640,049.45x = 3,289,386,621,160,932,352
  5. Step 5: Solve for x
    x = 3,289,386,621,160,932,352/1,700,640,049.45
  6. Step 6: Final answer
    x = 1,934,205,078.98

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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.