Home / 5,389,123,764.30-8,083,971,129.87-1,660,975,800.77

Finding the Fourth Proportional to 5,389,123,764.30, 8,083,971,129.87 and 1,660,975,800.77

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Solution

The fourth proportional to 5,389,123,764.30, 8,083,971,129.87 and 1,660,975,800.77 is: 2,491,551,689.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,123,764.30 : 8,083,971,129.87 = 1,660,975,800.77 : x
  2. Step 2: Convert to fraction form
    5,389,123,764.30/8,083,971,129.87 = 1,660,975,800.77/x
  3. Step 3: Cross multiply
    5,389,123,764.30x = 8,083,971,129.87 × 1,660,975,800.77
  4. Step 4: Simplify right side
    5,389,123,764.30x = 13,427,280,420,796,964,864
  5. Step 5: Solve for x
    x = 13,427,280,420,796,964,864/5,389,123,764.30
  6. Step 6: Final answer
    x = 2,491,551,689.67

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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.