Home / 491,111,443.80-736,667,165.70-336,143,248.20

Finding the Fourth Proportional to 491,111,443.80, 736,667,165.70 and 336,143,248.20

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Solution

The fourth proportional to 491,111,443.80, 736,667,165.70 and 336,143,248.20 is: 504,214,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,111,443.80 : 736,667,165.70 = 336,143,248.20 : x
  2. Step 2: Convert to fraction form
    491,111,443.80/736,667,165.70 = 336,143,248.20/x
  3. Step 3: Cross multiply
    491,111,443.80x = 736,667,165.70 × 336,143,248.20
  4. Step 4: Simplify right side
    491,111,443.80x = 247,625,693,920,685,632
  5. Step 5: Solve for x
    x = 247,625,693,920,685,632/491,111,443.80
  6. Step 6: Final answer
    x = 504,214,872.30

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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.