Home / 428,540,101.26-591,390,305.44-237,805,034.54

Finding the Fourth Proportional to 428,540,101.26, 591,390,305.44 and 237,805,034.54

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Solution

The fourth proportional to 428,540,101.26, 591,390,305.44 and 237,805,034.54 is: 328,173,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,540,101.26 : 591,390,305.44 = 237,805,034.54 : x
  2. Step 2: Convert to fraction form
    428,540,101.26/591,390,305.44 = 237,805,034.54/x
  3. Step 3: Cross multiply
    428,540,101.26x = 591,390,305.44 × 237,805,034.54
  4. Step 4: Simplify right side
    428,540,101.26x = 140,635,592,011,780,352
  5. Step 5: Solve for x
    x = 140,635,592,011,780,352/428,540,101.26
  6. Step 6: Final answer
    x = 328,173,703.23

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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.