Home / 657,458,453.85-907,293,155.46-356,046,105.12

Finding the Fourth Proportional to 657,458,453.85, 907,293,155.46 and 356,046,105.12

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Solution

The fourth proportional to 657,458,453.85, 907,293,155.46 and 356,046,105.12 is: 491,343,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,453.85 : 907,293,155.46 = 356,046,105.12 : x
  2. Step 2: Convert to fraction form
    657,458,453.85/907,293,155.46 = 356,046,105.12/x
  3. Step 3: Cross multiply
    657,458,453.85x = 907,293,155.46 × 356,046,105.12
  4. Step 4: Simplify right side
    657,458,453.85x = 323,038,194,203,567,680
  5. Step 5: Solve for x
    x = 323,038,194,203,567,680/657,458,453.85
  6. Step 6: Final answer
    x = 491,343,889.96

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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.