Home / 431,569,301.35-647,353,952.03-247,147,464.55

Finding the Fourth Proportional to 431,569,301.35, 647,353,952.03 and 247,147,464.55

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Solution

The fourth proportional to 431,569,301.35, 647,353,952.03 and 247,147,464.55 is: 370,721,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,301.35 : 647,353,952.03 = 247,147,464.55 : x
  2. Step 2: Convert to fraction form
    431,569,301.35/647,353,952.03 = 247,147,464.55/x
  3. Step 3: Cross multiply
    431,569,301.35x = 647,353,952.03 × 247,147,464.55
  4. Step 4: Simplify right side
    431,569,301.35x = 159,991,887,909,401,088
  5. Step 5: Solve for x
    x = 159,991,887,909,401,088/431,569,301.35
  6. Step 6: Final answer
    x = 370,721,196.83

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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.