Home / 10,561,176,137.80-15,841,764,206.70-8,856,525,986.20

Finding the Fourth Proportional to 10,561,176,137.80, 15,841,764,206.70 and 8,856,525,986.20

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Solution

The fourth proportional to 10,561,176,137.80, 15,841,764,206.70 and 8,856,525,986.20 is: 13,284,788,979.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561,176,137.80 : 15,841,764,206.70 = 8,856,525,986.20 : x
  2. Step 2: Convert to fraction form
    10,561,176,137.80/15,841,764,206.70 = 8,856,525,986.20/x
  3. Step 3: Cross multiply
    10,561,176,137.80x = 15,841,764,206.70 × 8,856,525,986.20
  4. Step 4: Simplify right side
    10,561,176,137.80x = 140,302,996,363,891,589,120
  5. Step 5: Solve for x
    x = 140,302,996,363,891,589,120/10,561,176,137.80
  6. Step 6: Final answer
    x = 13,284,788,979.30

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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.