Home / 669,070,025.29-1,003,260,431.54-300,288,833.07

Finding the Fourth Proportional to 669,070,025.29, 1,003,260,431.54 and 300,288,833.07

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Solution

The fourth proportional to 669,070,025.29, 1,003,260,431.54 and 300,288,833.07 is: 450,278,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,070,025.29 : 1,003,260,431.54 = 300,288,833.07 : x
  2. Step 2: Convert to fraction form
    669,070,025.29/1,003,260,431.54 = 300,288,833.07/x
  3. Step 3: Cross multiply
    669,070,025.29x = 1,003,260,431.54 × 300,288,833.07
  4. Step 4: Simplify right side
    669,070,025.29x = 301,267,904,245,933,440
  5. Step 5: Solve for x
    x = 301,267,904,245,933,440/669,070,025.29
  6. Step 6: Final answer
    x = 450,278,584.99

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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.