Home / 1,700,642,717.70-2,550,964,076.55-1,289,472,720.90

Finding the Fourth Proportional to 1,700,642,717.70, 2,550,964,076.55 and 1,289,472,720.90

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Solution

The fourth proportional to 1,700,642,717.70, 2,550,964,076.55 and 1,289,472,720.90 is: 1,934,209,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700,642,717.70 : 2,550,964,076.55 = 1,289,472,720.90 : x
  2. Step 2: Convert to fraction form
    1,700,642,717.70/2,550,964,076.55 = 1,289,472,720.90/x
  3. Step 3: Cross multiply
    1,700,642,717.70x = 2,550,964,076.55 × 1,289,472,720.90
  4. Step 4: Simplify right side
    1,700,642,717.70x = 3,289,398,588,707,084,800
  5. Step 5: Solve for x
    x = 3,289,398,588,707,084,800/1,700,642,717.70
  6. Step 6: Final answer
    x = 1,934,209,081.35

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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.