Home / 328,612,305.83-492,135,966.95-190,146,100.64

Finding the Fourth Proportional to 328,612,305.83, 492,135,966.95 and 190,146,100.64

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Solution

The fourth proportional to 328,612,305.83, 492,135,966.95 and 190,146,100.64 is: 284,766,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,612,305.83 : 492,135,966.95 = 190,146,100.64 : x
  2. Step 2: Convert to fraction form
    328,612,305.83/492,135,966.95 = 190,146,100.64/x
  3. Step 3: Cross multiply
    328,612,305.83x = 492,135,966.95 × 190,146,100.64
  4. Step 4: Simplify right side
    328,612,305.83x = 93,577,735,096,826,992
  5. Step 5: Solve for x
    x = 93,577,735,096,826,992/328,612,305.83
  6. Step 6: Final answer
    x = 284,766,374.96

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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.