Home / 352,515,665.40-528,773,498.10-328,627,793.40

Finding the Fourth Proportional to 352,515,665.40, 528,773,498.10 and 328,627,793.40

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Solution

The fourth proportional to 352,515,665.40, 528,773,498.10 and 328,627,793.40 is: 492,941,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,515,665.40 : 528,773,498.10 = 328,627,793.40 : x
  2. Step 2: Convert to fraction form
    352,515,665.40/528,773,498.10 = 328,627,793.40/x
  3. Step 3: Cross multiply
    352,515,665.40x = 528,773,498.10 × 328,627,793.40
  4. Step 4: Simplify right side
    352,515,665.40x = 173,769,667,889,002,080
  5. Step 5: Solve for x
    x = 173,769,667,889,002,080/352,515,665.40
  6. Step 6: Final answer
    x = 492,941,690.10

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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.