Home / 474,492,818.40-711,846,551-256,138,474.04

Finding the Fourth Proportional to 474,492,818.40, 711,846,551 and 256,138,474.04

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Solution

The fourth proportional to 474,492,818.40, 711,846,551 and 256,138,474.04 is: 384,265,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,492,818.40 : 711,846,551 = 256,138,474.04 : x
  2. Step 2: Convert to fraction form
    474,492,818.40/711,846,551 = 256,138,474.04/x
  3. Step 3: Cross multiply
    474,492,818.40x = 711,846,551 × 256,138,474.04
  4. Step 4: Simplify right side
    474,492,818.40x = 182,331,289,323,777,024
  5. Step 5: Solve for x
    x = 182,331,289,323,777,024/474,492,818.40
  6. Step 6: Final answer
    x = 384,265,645.87

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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.