Home / 490,665,397.55-736,004,507.25-163,140,910.79

Finding the Fourth Proportional to 490,665,397.55, 736,004,507.25 and 163,140,910.79

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Solution

The fourth proportional to 490,665,397.55, 736,004,507.25 and 163,140,910.79 is: 244,713,497.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,665,397.55 : 736,004,507.25 = 163,140,910.79 : x
  2. Step 2: Convert to fraction form
    490,665,397.55/736,004,507.25 = 163,140,910.79/x
  3. Step 3: Cross multiply
    490,665,397.55x = 736,004,507.25 × 163,140,910.79
  4. Step 4: Simplify right side
    490,665,397.55x = 120,072,445,658,310,160
  5. Step 5: Solve for x
    x = 120,072,445,658,310,160/490,665,397.55
  6. Step 6: Final answer
    x = 244,713,497.75

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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.