Home / 334,505,929.78-461,432,221.48-310,832,373.74

Finding the Fourth Proportional to 334,505,929.78, 461,432,221.48 and 310,832,373.74

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Solution

The fourth proportional to 334,505,929.78, 461,432,221.48 and 310,832,373.74 is: 428,775,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,505,929.78 : 461,432,221.48 = 310,832,373.74 : x
  2. Step 2: Convert to fraction form
    334,505,929.78/461,432,221.48 = 310,832,373.74/x
  3. Step 3: Cross multiply
    334,505,929.78x = 461,432,221.48 × 310,832,373.74
  4. Step 4: Simplify right side
    334,505,929.78x = 143,428,072,722,749,824
  5. Step 5: Solve for x
    x = 143,428,072,722,749,824/334,505,929.78
  6. Step 6: Final answer
    x = 428,775,874.97

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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.