Home / 384,912,215.80-576,864,438.90-154,692,849.40

Finding the Fourth Proportional to 384,912,215.80, 576,864,438.90 and 154,692,849.40

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Solution

The fourth proportional to 384,912,215.80, 576,864,438.90 and 154,692,849.40 is: 231,836,767.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,215.80 : 576,864,438.90 = 154,692,849.40 : x
  2. Step 2: Convert to fraction form
    384,912,215.80/576,864,438.90 = 154,692,849.40/x
  3. Step 3: Cross multiply
    384,912,215.80x = 576,864,438.90 × 154,692,849.40
  4. Step 4: Simplify right side
    384,912,215.80x = 89,236,803,770,973,200
  5. Step 5: Solve for x
    x = 89,236,803,770,973,200/384,912,215.80
  6. Step 6: Final answer
    x = 231,836,767.21

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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.