Home / 503,005,731.35-754,621,128.66-153,279,170.34

Finding the Fourth Proportional to 503,005,731.35, 754,621,128.66 and 153,279,170.34

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Solution

The fourth proportional to 503,005,731.35, 754,621,128.66 and 153,279,170.34 is: 229,953,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,005,731.35 : 754,621,128.66 = 153,279,170.34 : x
  2. Step 2: Convert to fraction form
    503,005,731.35/754,621,128.66 = 153,279,170.34/x
  3. Step 3: Cross multiply
    503,005,731.35x = 754,621,128.66 × 153,279,170.34
  4. Step 4: Simplify right side
    503,005,731.35x = 115,667,700,522,039,200
  5. Step 5: Solve for x
    x = 115,667,700,522,039,200/503,005,731.35
  6. Step 6: Final answer
    x = 229,953,046.88

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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.