Home / 1,407,036,218.12-2,108,402,066.40-752,080,456.52

Finding the Fourth Proportional to 1,407,036,218.12, 2,108,402,066.40 and 752,080,456.52

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Solution

The fourth proportional to 1,407,036,218.12, 2,108,402,066.40 and 752,080,456.52 is: 1,126,970,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,036,218.12 : 2,108,402,066.40 = 752,080,456.52 : x
  2. Step 2: Convert to fraction form
    1,407,036,218.12/2,108,402,066.40 = 752,080,456.52/x
  3. Step 3: Cross multiply
    1,407,036,218.12x = 2,108,402,066.40 × 752,080,456.52
  4. Step 4: Simplify right side
    1,407,036,218.12x = 1,585,687,988,625,823,488
  5. Step 5: Solve for x
    x = 1,585,687,988,625,823,488/1,407,036,218.12
  6. Step 6: Final answer
    x = 1,126,970,271.42

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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.