Home / 1,700,640,048.45-2,550,960,072.68-1,289,470,051.65

Finding the Fourth Proportional to 1,700,640,048.45, 2,550,960,072.68 and 1,289,470,051.65

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Solution

The fourth proportional to 1,700,640,048.45, 2,550,960,072.68 and 1,289,470,051.65 is: 1,934,205,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,640,048.45 : 2,550,960,072.68 = 1,289,470,051.65 : x
  2. Step 2: Convert to fraction form
    1,700,640,048.45/2,550,960,072.68 = 1,289,470,051.65/x
  3. Step 3: Cross multiply
    1,700,640,048.45x = 2,550,960,072.68 × 1,289,470,051.65
  4. Step 4: Simplify right side
    1,700,640,048.45x = 3,289,386,616,669,320,704
  5. Step 5: Solve for x
    x = 3,289,386,616,669,320,704/1,700,640,048.45
  6. Step 6: Final answer
    x = 1,934,205,077.48

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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.