Home / 657,458,446.30-907,293,145.06-356,046,097.59

Finding the Fourth Proportional to 657,458,446.30, 907,293,145.06 and 356,046,097.59

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Solution

The fourth proportional to 657,458,446.30, 907,293,145.06 and 356,046,097.59 is: 491,343,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,446.30 : 907,293,145.06 = 356,046,097.59 : x
  2. Step 2: Convert to fraction form
    657,458,446.30/907,293,145.06 = 356,046,097.59/x
  3. Step 3: Cross multiply
    657,458,446.30x = 907,293,145.06 × 356,046,097.59
  4. Step 4: Simplify right side
    657,458,446.30x = 323,038,183,667,880,640
  5. Step 5: Solve for x
    x = 323,038,183,667,880,640/657,458,446.30
  6. Step 6: Final answer
    x = 491,343,879.58

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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.