Home / 10,392,700,299.60-15,589,050,449.40-8,433,596,197.20

Finding the Fourth Proportional to 10,392,700,299.60, 15,589,050,449.40 and 8,433,596,197.20

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Solution

The fourth proportional to 10,392,700,299.60, 15,589,050,449.40 and 8,433,596,197.20 is: 12,650,394,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,700,299.60 : 15,589,050,449.40 = 8,433,596,197.20 : x
  2. Step 2: Convert to fraction form
    10,392,700,299.60/15,589,050,449.40 = 8,433,596,197.20/x
  3. Step 3: Cross multiply
    10,392,700,299.60x = 15,589,050,449.40 × 8,433,596,197.20
  4. Step 4: Simplify right side
    10,392,700,299.60x = 131,471,756,588,018,778,112
  5. Step 5: Solve for x
    x = 131,471,756,588,018,778,112/10,392,700,299.60
  6. Step 6: Final answer
    x = 12,650,394,295.80

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Double scale
Find fourth proportional to 10,392,700,300.60, 15,589,050,450.90 and 8,433,596,198.20
Similar ratio
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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.