Home / 474,492,816.40-711,846,548-256,138,472.04

Finding the Fourth Proportional to 474,492,816.40, 711,846,548 and 256,138,472.04

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Solution

The fourth proportional to 474,492,816.40, 711,846,548 and 256,138,472.04 is: 384,265,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,492,816.40 : 711,846,548 = 256,138,472.04 : x
  2. Step 2: Convert to fraction form
    474,492,816.40/711,846,548 = 256,138,472.04/x
  3. Step 3: Cross multiply
    474,492,816.40x = 711,846,548 × 256,138,472.04
  4. Step 4: Simplify right side
    474,492,816.40x = 182,331,287,131,668,512
  5. Step 5: Solve for x
    x = 182,331,287,131,668,512/474,492,816.40
  6. Step 6: Final answer
    x = 384,265,642.87

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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.