Home / 384,912,103.20-577,256,180.40-212,471,527.20

Finding the Fourth Proportional to 384,912,103.20, 577,256,180.40 and 212,471,527.20

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Solution

The fourth proportional to 384,912,103.20, 577,256,180.40 and 212,471,527.20 is: 318,645,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,103.20 : 577,256,180.40 = 212,471,527.20 : x
  2. Step 2: Convert to fraction form
    384,912,103.20/577,256,180.40 = 212,471,527.20/x
  3. Step 3: Cross multiply
    384,912,103.20x = 577,256,180.40 × 212,471,527.20
  4. Step 4: Simplify right side
    384,912,103.20x = 122,650,502,235,226,688
  5. Step 5: Solve for x
    x = 122,650,502,235,226,688/384,912,103.20
  6. Step 6: Final answer
    x = 318,645,480.92

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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.