Home / 1,840,881,939.68-2,540,400,249.49-1,005,506,259.68

Finding the Fourth Proportional to 1,840,881,939.68, 2,540,400,249.49 and 1,005,506,259.68

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Solution

The fourth proportional to 1,840,881,939.68, 2,540,400,249.49 and 1,005,506,259.68 is: 1,387,589,447.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,881,939.68 : 2,540,400,249.49 = 1,005,506,259.68 : x
  2. Step 2: Convert to fraction form
    1,840,881,939.68/2,540,400,249.49 = 1,005,506,259.68/x
  3. Step 3: Cross multiply
    1,840,881,939.68x = 2,540,400,249.49 × 1,005,506,259.68
  4. Step 4: Simplify right side
    1,840,881,939.68x = 2,554,388,352,939,613,184
  5. Step 5: Solve for x
    x = 2,554,388,352,939,613,184/1,840,881,939.68
  6. Step 6: Final answer
    x = 1,387,589,447.15

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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.