Home / 353,540,319.40-529,414,683.90-281,876,703.40

Finding the Fourth Proportional to 353,540,319.40, 529,414,683.90 and 281,876,703.40

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Solution

The fourth proportional to 353,540,319.40, 529,414,683.90 and 281,876,703.40 is: 422,100,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,540,319.40 : 529,414,683.90 = 281,876,703.40 : x
  2. Step 2: Convert to fraction form
    353,540,319.40/529,414,683.90 = 281,876,703.40/x
  3. Step 3: Cross multiply
    353,540,319.40x = 529,414,683.90 × 281,876,703.40
  4. Step 4: Simplify right side
    353,540,319.40x = 149,229,665,829,285,024
  5. Step 5: Solve for x
    x = 149,229,665,829,285,024/353,540,319.40
  6. Step 6: Final answer
    x = 422,100,840.10

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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.