Home / 1,140,327,309.88-1,573,651,690.86-618,806,541.88

Finding the Fourth Proportional to 1,140,327,309.88, 1,573,651,690.86 and 618,806,541.88

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Solution

The fourth proportional to 1,140,327,309.88, 1,573,651,690.86 and 618,806,541.88 is: 853,953,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,327,309.88 : 1,573,651,690.86 = 618,806,541.88 : x
  2. Step 2: Convert to fraction form
    1,140,327,309.88/1,573,651,690.86 = 618,806,541.88/x
  3. Step 3: Cross multiply
    1,140,327,309.88x = 1,573,651,690.86 × 618,806,541.88
  4. Step 4: Simplify right side
    1,140,327,309.88x = 973,785,960,944,691,328
  5. Step 5: Solve for x
    x = 973,785,960,944,691,328/1,140,327,309.88
  6. Step 6: Final answer
    x = 853,953,029.54

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1.5x scale

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.