Home / 347,701,693.80-521,552,540.70-209,952,186.60

Finding the Fourth Proportional to 347,701,693.80, 521,552,540.70 and 209,952,186.60

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Solution

The fourth proportional to 347,701,693.80, 521,552,540.70 and 209,952,186.60 is: 314,928,279.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,701,693.80 : 521,552,540.70 = 209,952,186.60 : x
  2. Step 2: Convert to fraction form
    347,701,693.80/521,552,540.70 = 209,952,186.60/x
  3. Step 3: Cross multiply
    347,701,693.80x = 521,552,540.70 × 209,952,186.60
  4. Step 4: Simplify right side
    347,701,693.80x = 109,501,096,346,750,496
  5. Step 5: Solve for x
    x = 109,501,096,346,750,496/347,701,693.80
  6. Step 6: Final answer
    x = 314,928,279.90

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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.