Home / 10,317,817,578.40-15,454,040,884.72-8,526,891,326.88

Finding the Fourth Proportional to 10,317,817,578.40, 15,454,040,884.72 and 8,526,891,326.88

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Solution

The fourth proportional to 10,317,817,578.40, 15,454,040,884.72 and 8,526,891,326.88 is: 12,771,589,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317,817,578.40 : 15,454,040,884.72 = 8,526,891,326.88 : x
  2. Step 2: Convert to fraction form
    10,317,817,578.40/15,454,040,884.72 = 8,526,891,326.88/x
  3. Step 3: Cross multiply
    10,317,817,578.40x = 15,454,040,884.72 × 8,526,891,326.88
  4. Step 4: Simplify right side
    10,317,817,578.40x = 131,774,927,185,167,892,480
  5. Step 5: Solve for x
    x = 131,774,927,185,167,892,480/10,317,817,578.40
  6. Step 6: Final answer
    x = 12,771,589,164.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.