Home / 559,100,958.40-838,643,564.40-252,392,579.20

Finding the Fourth Proportional to 559,100,958.40, 838,643,564.40 and 252,392,579.20

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Solution

The fourth proportional to 559,100,958.40, 838,643,564.40 and 252,392,579.20 is: 378,585,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,100,958.40 : 838,643,564.40 = 252,392,579.20 : x
  2. Step 2: Convert to fraction form
    559,100,958.40/838,643,564.40 = 252,392,579.20/x
  3. Step 3: Cross multiply
    559,100,958.40x = 838,643,564.40 × 252,392,579.20
  4. Step 4: Simplify right side
    559,100,958.40x = 211,667,412,248,397,280
  5. Step 5: Solve for x
    x = 211,667,412,248,397,280/559,100,958.40
  6. Step 6: Final answer
    x = 378,585,314.63

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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.