Home / 400,133,059.84-552,241,381.20-230,554,819.30

Finding the Fourth Proportional to 400,133,059.84, 552,241,381.20 and 230,554,819.30

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Solution

The fourth proportional to 400,133,059.84, 552,241,381.20 and 230,554,819.30 is: 318,198,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,133,059.84 : 552,241,381.20 = 230,554,819.30 : x
  2. Step 2: Convert to fraction form
    400,133,059.84/552,241,381.20 = 230,554,819.30/x
  3. Step 3: Cross multiply
    400,133,059.84x = 552,241,381.20 × 230,554,819.30
  4. Step 4: Simplify right side
    400,133,059.84x = 127,321,911,852,548,432
  5. Step 5: Solve for x
    x = 127,321,911,852,548,432/400,133,059.84
  6. Step 6: Final answer
    x = 318,198,930.88

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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.