Home / 1,909,252,388.25-2,864,309,471.90-581,399,211.75

Finding the Fourth Proportional to 1,909,252,388.25, 2,864,309,471.90 and 581,399,211.75

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Solution

The fourth proportional to 1,909,252,388.25, 2,864,309,471.90 and 581,399,211.75 is: 872,230,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,252,388.25 : 2,864,309,471.90 = 581,399,211.75 : x
  2. Step 2: Convert to fraction form
    1,909,252,388.25/2,864,309,471.90 = 581,399,211.75/x
  3. Step 3: Cross multiply
    1,909,252,388.25x = 2,864,309,471.90 × 581,399,211.75
  4. Step 4: Simplify right side
    1,909,252,388.25x = 1,665,307,269,167,811,840
  5. Step 5: Solve for x
    x = 1,665,307,269,167,811,840/1,909,252,388.25
  6. Step 6: Final answer
    x = 872,230,030.67

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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.