Home / 784,405,488.20-1,176,608,232.30-267,419,683.40

Finding the Fourth Proportional to 784,405,488.20, 1,176,608,232.30 and 267,419,683.40

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Solution

The fourth proportional to 784,405,488.20, 1,176,608,232.30 and 267,419,683.40 is: 401,129,525.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,405,488.20 : 1,176,608,232.30 = 267,419,683.40 : x
  2. Step 2: Convert to fraction form
    784,405,488.20/1,176,608,232.30 = 267,419,683.40/x
  3. Step 3: Cross multiply
    784,405,488.20x = 1,176,608,232.30 × 267,419,683.40
  4. Step 4: Simplify right side
    784,405,488.20x = 314,648,200,967,499,648
  5. Step 5: Solve for x
    x = 314,648,200,967,499,648/784,405,488.20
  6. Step 6: Final answer
    x = 401,129,525.10

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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.