Home / 285,586,207.05-428,433,077.97-203,501,454.06

Finding the Fourth Proportional to 285,586,207.05, 428,433,077.97 and 203,501,454.06

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Solution

The fourth proportional to 285,586,207.05, 428,433,077.97 and 203,501,454.06 is: 305,290,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,586,207.05 : 428,433,077.97 = 203,501,454.06 : x
  2. Step 2: Convert to fraction form
    285,586,207.05/428,433,077.97 = 203,501,454.06/x
  3. Step 3: Cross multiply
    285,586,207.05x = 428,433,077.97 × 203,501,454.06
  4. Step 4: Simplify right side
    285,586,207.05x = 87,186,754,334,296,352
  5. Step 5: Solve for x
    x = 87,186,754,334,296,352/285,586,207.05
  6. Step 6: Final answer
    x = 305,290,494.37

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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.