Home / 354,573,260.57-532,667,018.54-256,507,449.14

Finding the Fourth Proportional to 354,573,260.57, 532,667,018.54 and 256,507,449.14

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Solution

The fourth proportional to 354,573,260.57, 532,667,018.54 and 256,507,449.14 is: 385,345,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,573,260.57 : 532,667,018.54 = 256,507,449.14 : x
  2. Step 2: Convert to fraction form
    354,573,260.57/532,667,018.54 = 256,507,449.14/x
  3. Step 3: Cross multiply
    354,573,260.57x = 532,667,018.54 × 256,507,449.14
  4. Step 4: Simplify right side
    354,573,260.57x = 136,633,058,167,539,744
  5. Step 5: Solve for x
    x = 136,633,058,167,539,744/354,573,260.57
  6. Step 6: Final answer
    x = 385,345,070.71

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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.