Home / 304,349,434.17-420,003,025.84-165,120,195.94

Finding the Fourth Proportional to 304,349,434.17, 420,003,025.84 and 165,120,195.94

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Solution

The fourth proportional to 304,349,434.17, 420,003,025.84 and 165,120,195.94 is: 227,866,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,349,434.17 : 420,003,025.84 = 165,120,195.94 : x
  2. Step 2: Convert to fraction form
    304,349,434.17/420,003,025.84 = 165,120,195.94/x
  3. Step 3: Cross multiply
    304,349,434.17x = 420,003,025.84 × 165,120,195.94
  4. Step 4: Simplify right side
    304,349,434.17x = 69,350,981,921,250,080
  5. Step 5: Solve for x
    x = 69,350,981,921,250,080/304,349,434.17
  6. Step 6: Final answer
    x = 227,866,308.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.