Home / 354,287,745.60-531,431,618.40-327,077,966.40

Finding the Fourth Proportional to 354,287,745.60, 531,431,618.40 and 327,077,966.40

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Solution

The fourth proportional to 354,287,745.60, 531,431,618.40 and 327,077,966.40 is: 490,616,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,287,745.60 : 531,431,618.40 = 327,077,966.40 : x
  2. Step 2: Convert to fraction form
    354,287,745.60/531,431,618.40 = 327,077,966.40/x
  3. Step 3: Cross multiply
    354,287,745.60x = 531,431,618.40 × 327,077,966.40
  4. Step 4: Simplify right side
    354,287,745.60x = 173,819,573,026,932,800
  5. Step 5: Solve for x
    x = 173,819,573,026,932,800/354,287,745.60
  6. Step 6: Final answer
    x = 490,616,949.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.