Home / 1,140,327,308.88-1,573,651,689.48-618,806,540.88

Finding the Fourth Proportional to 1,140,327,308.88, 1,573,651,689.48 and 618,806,540.88

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Solution

The fourth proportional to 1,140,327,308.88, 1,573,651,689.48 and 618,806,540.88 is: 853,953,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,327,308.88 : 1,573,651,689.48 = 618,806,540.88 : x
  2. Step 2: Convert to fraction form
    1,140,327,308.88/1,573,651,689.48 = 618,806,540.88/x
  3. Step 3: Cross multiply
    1,140,327,308.88x = 1,573,651,689.48 × 618,806,540.88
  4. Step 4: Simplify right side
    1,140,327,308.88x = 973,785,958,517,086,720
  5. Step 5: Solve for x
    x = 973,785,958,517,086,720/1,140,327,308.88
  6. Step 6: Final answer
    x = 853,953,028.16

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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.