Home / 657,458,449.34-907,293,149.24-356,046,100.62

Finding the Fourth Proportional to 657,458,449.34, 907,293,149.24 and 356,046,100.62

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Solution

The fourth proportional to 657,458,449.34, 907,293,149.24 and 356,046,100.62 is: 491,343,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,449.34 : 907,293,149.24 = 356,046,100.62 : x
  2. Step 2: Convert to fraction form
    657,458,449.34/907,293,149.24 = 356,046,100.62/x
  3. Step 3: Cross multiply
    657,458,449.34x = 907,293,149.24 × 356,046,100.62
  4. Step 4: Simplify right side
    657,458,449.34x = 323,038,187,906,141,696
  5. Step 5: Solve for x
    x = 323,038,187,906,141,696/657,458,449.34
  6. Step 6: Final answer
    x = 491,343,883.75

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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.