Home / 315,103,621.60-471,805,126.80-315,103,621.60

Finding the Fourth Proportional to 315,103,621.60, 471,805,126.80 and 315,103,621.60

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Solution

The fourth proportional to 315,103,621.60, 471,805,126.80 and 315,103,621.60 is: 471,805,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,103,621.60 : 471,805,126.80 = 315,103,621.60 : x
  2. Step 2: Convert to fraction form
    315,103,621.60/471,805,126.80 = 315,103,621.60/x
  3. Step 3: Cross multiply
    315,103,621.60x = 471,805,126.80 × 315,103,621.60
  4. Step 4: Simplify right side
    315,103,621.60x = 148,667,504,144,127,232
  5. Step 5: Solve for x
    x = 148,667,504,144,127,232/315,103,621.60
  6. Step 6: Final answer
    x = 471,805,126.80

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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.