Home / 317,659,437.72-438,380,669.88-176,536,606.44

Finding the Fourth Proportional to 317,659,437.72, 438,380,669.88 and 176,536,606.44

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Solution

The fourth proportional to 317,659,437.72, 438,380,669.88 and 176,536,606.44 is: 243,626,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,659,437.72 : 438,380,669.88 = 176,536,606.44 : x
  2. Step 2: Convert to fraction form
    317,659,437.72/438,380,669.88 = 176,536,606.44/x
  3. Step 3: Cross multiply
    317,659,437.72x = 438,380,669.88 × 176,536,606.44
  4. Step 4: Simplify right side
    317,659,437.72x = 77,390,235,789,509,120
  5. Step 5: Solve for x
    x = 77,390,235,789,509,120/317,659,437.72
  6. Step 6: Final answer
    x = 243,626,433.22

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1.5x scale

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.