Home / 1,407,036,216.12-2,108,402,063.40-752,080,454.52

Finding the Fourth Proportional to 1,407,036,216.12, 2,108,402,063.40 and 752,080,454.52

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Solution

The fourth proportional to 1,407,036,216.12, 2,108,402,063.40 and 752,080,454.52 is: 1,126,970,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,036,216.12 : 2,108,402,063.40 = 752,080,454.52 : x
  2. Step 2: Convert to fraction form
    1,407,036,216.12/2,108,402,063.40 = 752,080,454.52/x
  3. Step 3: Cross multiply
    1,407,036,216.12x = 2,108,402,063.40 × 752,080,454.52
  4. Step 4: Simplify right side
    1,407,036,216.12x = 1,585,687,982,152,777,984
  5. Step 5: Solve for x
    x = 1,585,687,982,152,777,984/1,407,036,216.12
  6. Step 6: Final answer
    x = 1,126,970,268.42

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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.