Home / 251,720,404,835.57-347,438,791,043.35-163,947,360,329.80

Finding the Fourth Proportional to 251,720,404,835.57, 347,438,791,043.35 and 163,947,360,329.80

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Solution

The fourth proportional to 251,720,404,835.57, 347,438,791,043.35 and 163,947,360,329.80 is: 226,289,452,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,720,404,835.57 : 347,438,791,043.35 = 163,947,360,329.80 : x
  2. Step 2: Convert to fraction form
    251,720,404,835.57/347,438,791,043.35 = 163,947,360,329.80/x
  3. Step 3: Cross multiply
    251,720,404,835.57x = 347,438,791,043.35 × 163,947,360,329.80
  4. Step 4: Simplify right side
    251,720,404,835.57x = 56,961,672,667,734,179,053,568
  5. Step 5: Solve for x
    x = 56,961,672,667,734,179,053,568/251,720,404,835.57
  6. Step 6: Final answer
    x = 226,289,452,795.62

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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.