Home / 317,659,404.72-438,380,624.34-176,536,573.41

Finding the Fourth Proportional to 317,659,404.72, 438,380,624.34 and 176,536,573.41

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Solution

The fourth proportional to 317,659,404.72, 438,380,624.34 and 176,536,573.41 is: 243,626,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,659,404.72 : 438,380,624.34 = 176,536,573.41 : x
  2. Step 2: Convert to fraction form
    317,659,404.72/438,380,624.34 = 176,536,573.41/x
  3. Step 3: Cross multiply
    317,659,404.72x = 438,380,624.34 × 176,536,573.41
  4. Step 4: Simplify right side
    317,659,404.72x = 77,390,213,270,320,032
  5. Step 5: Solve for x
    x = 77,390,213,270,320,032/317,659,404.72
  6. Step 6: Final answer
    x = 243,626,387.64

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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.