Home / 317,659,467.29-438,380,709.25-176,536,635.27

Finding the Fourth Proportional to 317,659,467.29, 438,380,709.25 and 176,536,635.27

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Solution

The fourth proportional to 317,659,467.29, 438,380,709.25 and 176,536,635.27 is: 243,626,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,659,467.29 : 438,380,709.25 = 176,536,635.27 : x
  2. Step 2: Convert to fraction form
    317,659,467.29/438,380,709.25 = 176,536,635.27/x
  3. Step 3: Cross multiply
    317,659,467.29x = 438,380,709.25 × 176,536,635.27
  4. Step 4: Simplify right side
    317,659,467.29x = 77,390,255,378,271,168
  5. Step 5: Solve for x
    x = 77,390,255,378,271,168/317,659,467.29
  6. Step 6: Final answer
    x = 243,626,472.20

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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.