Home / 825,019,851,948.44-1,138,527,450,438.40-459,206,204,691.20

Finding the Fourth Proportional to 825,019,851,948.44, 1,138,527,450,438.40 and 459,206,204,691.20

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Solution

The fourth proportional to 825,019,851,948.44, 1,138,527,450,438.40 and 459,206,204,691.20 is: 633,704,592,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,019,851,948.44 : 1,138,527,450,438.40 = 459,206,204,691.20 : x
  2. Step 2: Convert to fraction form
    825,019,851,948.44/1,138,527,450,438.40 = 459,206,204,691.20/x
  3. Step 3: Cross multiply
    825,019,851,948.44x = 1,138,527,450,438.40 × 459,206,204,691.20
  4. Step 4: Simplify right side
    825,019,851,948.44x = 522,818,869,452,565,911,699,456
  5. Step 5: Solve for x
    x = 522,818,869,452,565,911,699,456/825,019,851,948.44
  6. Step 6: Final answer
    x = 633,704,592,947.47

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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.