Home / 1,407,036,219.12-2,108,402,067.90-752,080,457.52

Finding the Fourth Proportional to 1,407,036,219.12, 2,108,402,067.90 and 752,080,457.52

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Solution

The fourth proportional to 1,407,036,219.12, 2,108,402,067.90 and 752,080,457.52 is: 1,126,970,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,036,219.12 : 2,108,402,067.90 = 752,080,457.52 : x
  2. Step 2: Convert to fraction form
    1,407,036,219.12/2,108,402,067.90 = 752,080,457.52/x
  3. Step 3: Cross multiply
    1,407,036,219.12x = 2,108,402,067.90 × 752,080,457.52
  4. Step 4: Simplify right side
    1,407,036,219.12x = 1,585,687,991,862,346,240
  5. Step 5: Solve for x
    x = 1,585,687,991,862,346,240/1,407,036,219.12
  6. Step 6: Final answer
    x = 1,126,970,272.91

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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.