Home / 353,140,224.12-487,057,428.54-229,420,763.64

Finding the Fourth Proportional to 353,140,224.12, 487,057,428.54 and 229,420,763.64

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Solution

The fourth proportional to 353,140,224.12, 487,057,428.54 and 229,420,763.64 is: 316,421,295.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,140,224.12 : 487,057,428.54 = 229,420,763.64 : x
  2. Step 2: Convert to fraction form
    353,140,224.12/487,057,428.54 = 229,420,763.64/x
  3. Step 3: Cross multiply
    353,140,224.12x = 487,057,428.54 × 229,420,763.64
  4. Step 4: Simplify right side
    353,140,224.12x = 111,741,087,192,181,536
  5. Step 5: Solve for x
    x = 111,741,087,192,181,536/353,140,224.12
  6. Step 6: Final answer
    x = 316,421,295.45

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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.