Home / 353,061,865.26-529,711,979.67-156,298,138.65

Finding the Fourth Proportional to 353,061,865.26, 529,711,979.67 and 156,298,138.65

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Solution

The fourth proportional to 353,061,865.26, 529,711,979.67 and 156,298,138.65 is: 234,499,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,061,865.26 : 529,711,979.67 = 156,298,138.65 : x
  2. Step 2: Convert to fraction form
    353,061,865.26/529,711,979.67 = 156,298,138.65/x
  3. Step 3: Cross multiply
    353,061,865.26x = 529,711,979.67 × 156,298,138.65
  4. Step 4: Simplify right side
    353,061,865.26x = 82,792,996,443,027,648
  5. Step 5: Solve for x
    x = 82,792,996,443,027,648/353,061,865.26
  6. Step 6: Final answer
    x = 234,499,968.96

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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.