Home / 669,070,029.92-1,003,260,438.47-300,288,837.69

Finding the Fourth Proportional to 669,070,029.92, 1,003,260,438.47 and 300,288,837.69

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Solution

The fourth proportional to 669,070,029.92, 1,003,260,438.47 and 300,288,837.69 is: 450,278,591.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,070,029.92 : 1,003,260,438.47 = 300,288,837.69 : x
  2. Step 2: Convert to fraction form
    669,070,029.92/1,003,260,438.47 = 300,288,837.69/x
  3. Step 3: Cross multiply
    669,070,029.92x = 1,003,260,438.47 × 300,288,837.69
  4. Step 4: Simplify right side
    669,070,029.92x = 301,267,910,969,266,752
  5. Step 5: Solve for x
    x = 301,267,910,969,266,752/669,070,029.92
  6. Step 6: Final answer
    x = 450,278,591.92

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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.