Home / 334,505,928.78-461,432,220.10-310,832,372.74

Finding the Fourth Proportional to 334,505,928.78, 461,432,220.10 and 310,832,372.74

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Solution

The fourth proportional to 334,505,928.78, 461,432,220.10 and 310,832,372.74 is: 428,775,873.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,505,928.78 : 461,432,220.10 = 310,832,372.74 : x
  2. Step 2: Convert to fraction form
    334,505,928.78/461,432,220.10 = 310,832,372.74/x
  3. Step 3: Cross multiply
    334,505,928.78x = 461,432,220.10 × 310,832,372.74
  4. Step 4: Simplify right side
    334,505,928.78x = 143,428,071,832,368,928
  5. Step 5: Solve for x
    x = 143,428,071,832,368,928/334,505,928.78
  6. Step 6: Final answer
    x = 428,775,873.59

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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.