Home / 1,050,840,873-1,449,919,819.55-627,372,117.68

Finding the Fourth Proportional to 1,050,840,873, 1,449,919,819.55 and 627,372,117.68

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Solution

The fourth proportional to 1,050,840,873, 1,449,919,819.55 and 627,372,117.68 is: 865,629,888.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,840,873 : 1,449,919,819.55 = 627,372,117.68 : x
  2. Step 2: Convert to fraction form
    1,050,840,873/1,449,919,819.55 = 627,372,117.68/x
  3. Step 3: Cross multiply
    1,050,840,873x = 1,449,919,819.55 × 627,372,117.68
  4. Step 4: Simplify right side
    1,050,840,873x = 909,639,267,651,605,760
  5. Step 5: Solve for x
    x = 909,639,267,651,605,760/1,050,840,873
  6. Step 6: Final answer
    x = 865,629,888.43

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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.