Home / 352,879,348.60-529,319,022.90-207,382,612.60

Finding the Fourth Proportional to 352,879,348.60, 529,319,022.90 and 207,382,612.60

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Solution

The fourth proportional to 352,879,348.60, 529,319,022.90 and 207,382,612.60 is: 311,073,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,879,348.60 : 529,319,022.90 = 207,382,612.60 : x
  2. Step 2: Convert to fraction form
    352,879,348.60/529,319,022.90 = 207,382,612.60/x
  3. Step 3: Cross multiply
    352,879,348.60x = 529,319,022.90 × 207,382,612.60
  4. Step 4: Simplify right side
    352,879,348.60x = 109,771,561,867,881,216
  5. Step 5: Solve for x
    x = 109,771,561,867,881,216/352,879,348.60
  6. Step 6: Final answer
    x = 311,073,918.90

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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.