Home / 2,151,503,866.12-2,970,446,209.38-1,755,970,339.80

Finding the Fourth Proportional to 2,151,503,866.12, 2,970,446,209.38 and 1,755,970,339.80

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Solution

The fourth proportional to 2,151,503,866.12, 2,970,446,209.38 and 1,755,970,339.80 is: 2,424,357,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,503,866.12 : 2,970,446,209.38 = 1,755,970,339.80 : x
  2. Step 2: Convert to fraction form
    2,151,503,866.12/2,970,446,209.38 = 1,755,970,339.80/x
  3. Step 3: Cross multiply
    2,151,503,866.12x = 2,970,446,209.38 × 1,755,970,339.80
  4. Step 4: Simplify right side
    2,151,503,866.12x = 5,216,015,439,642,620,928
  5. Step 5: Solve for x
    x = 5,216,015,439,642,620,928/2,151,503,866.12
  6. Step 6: Final answer
    x = 2,424,357,920.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.