Home / 1,851,927,019.20-2,555,662,086.13-1,005,154,645.89

Finding the Fourth Proportional to 1,851,927,019.20, 2,555,662,086.13 and 1,005,154,645.89

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Solution

The fourth proportional to 1,851,927,019.20, 2,555,662,086.13 and 1,005,154,645.89 is: 1,387,114,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,927,019.20 : 2,555,662,086.13 = 1,005,154,645.89 : x
  2. Step 2: Convert to fraction form
    1,851,927,019.20/2,555,662,086.13 = 1,005,154,645.89/x
  3. Step 3: Cross multiply
    1,851,927,019.20x = 2,555,662,086.13 × 1,005,154,645.89
  4. Step 4: Simplify right side
    1,851,927,019.20x = 2,568,835,619,198,498,816
  5. Step 5: Solve for x
    x = 2,568,835,619,198,498,816/1,851,927,019.20
  6. Step 6: Final answer
    x = 1,387,114,930.86

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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.