Home / 650,899,519.08-897,721,604.04-428,109,916.56

Finding the Fourth Proportional to 650,899,519.08, 897,721,604.04 and 428,109,916.56

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Solution

The fourth proportional to 650,899,519.08, 897,721,604.04 and 428,109,916.56 is: 590,449,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,899,519.08 : 897,721,604.04 = 428,109,916.56 : x
  2. Step 2: Convert to fraction form
    650,899,519.08/897,721,604.04 = 428,109,916.56/x
  3. Step 3: Cross multiply
    650,899,519.08x = 897,721,604.04 × 428,109,916.56
  4. Step 4: Simplify right side
    650,899,519.08x = 384,323,520,999,673,728
  5. Step 5: Solve for x
    x = 384,323,520,999,673,728/650,899,519.08
  6. Step 6: Final answer
    x = 590,449,846.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.