Home / 10,235,807,998.80-15,353,711,998.20-8,376,189,651.60

Finding the Fourth Proportional to 10,235,807,998.80, 15,353,711,998.20 and 8,376,189,651.60

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Solution

The fourth proportional to 10,235,807,998.80, 15,353,711,998.20 and 8,376,189,651.60 is: 12,564,284,477.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235,807,998.80 : 15,353,711,998.20 = 8,376,189,651.60 : x
  2. Step 2: Convert to fraction form
    10,235,807,998.80/15,353,711,998.20 = 8,376,189,651.60/x
  3. Step 3: Cross multiply
    10,235,807,998.80x = 15,353,711,998.20 × 8,376,189,651.60
  4. Step 4: Simplify right side
    10,235,807,998.80x = 128,605,603,552,969,605,120
  5. Step 5: Solve for x
    x = 128,605,603,552,969,605,120/10,235,807,998.80
  6. Step 6: Final answer
    x = 12,564,284,477.40

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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.