Home / 13,227,561,405.40-18,254,002,779.94-7,206,116,290.22

Finding the Fourth Proportional to 13,227,561,405.40, 18,254,002,779.94 and 7,206,116,290.22

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Solution

The fourth proportional to 13,227,561,405.40, 18,254,002,779.94 and 7,206,116,290.22 is: 9,944,423,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,561,405.40 : 18,254,002,779.94 = 7,206,116,290.22 : x
  2. Step 2: Convert to fraction form
    13,227,561,405.40/18,254,002,779.94 = 7,206,116,290.22/x
  3. Step 3: Cross multiply
    13,227,561,405.40x = 18,254,002,779.94 × 7,206,116,290.22
  4. Step 4: Simplify right side
    13,227,561,405.40x = 131,540,466,794,246,799,360
  5. Step 5: Solve for x
    x = 131,540,466,794,246,799,360/13,227,561,405.40
  6. Step 6: Final answer
    x = 9,944,423,069.59

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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.