Home / 8,209,679,795.20-12,314,519,692.80-7,176,558,491.20

Finding the Fourth Proportional to 8,209,679,795.20, 12,314,519,692.80 and 7,176,558,491.20

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Solution

The fourth proportional to 8,209,679,795.20, 12,314,519,692.80 and 7,176,558,491.20 is: 10,764,837,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,679,795.20 : 12,314,519,692.80 = 7,176,558,491.20 : x
  2. Step 2: Convert to fraction form
    8,209,679,795.20/12,314,519,692.80 = 7,176,558,491.20/x
  3. Step 3: Cross multiply
    8,209,679,795.20x = 12,314,519,692.80 × 7,176,558,491.20
  4. Step 4: Simplify right side
    8,209,679,795.20x = 88,375,870,866,413,453,312
  5. Step 5: Solve for x
    x = 88,375,870,866,413,453,312/8,209,679,795.20
  6. Step 6: Final answer
    x = 10,764,837,736.80

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1.5x scale

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.