Home / 342,189,602.70-512,906,490.45-188,945,637.90

Finding the Fourth Proportional to 342,189,602.70, 512,906,490.45 and 188,945,637.90

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Solution

The fourth proportional to 342,189,602.70, 512,906,490.45 and 188,945,637.90 is: 283,209,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,189,602.70 : 512,906,490.45 = 188,945,637.90 : x
  2. Step 2: Convert to fraction form
    342,189,602.70/512,906,490.45 = 188,945,637.90/x
  3. Step 3: Cross multiply
    342,189,602.70x = 512,906,490.45 × 188,945,637.90
  4. Step 4: Simplify right side
    342,189,602.70x = 96,911,444,021,125,504
  5. Step 5: Solve for x
    x = 96,911,444,021,125,504/342,189,602.70
  6. Step 6: Final answer
    x = 283,209,785.62

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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.