Home / 649,467,252.32-974,291,432.65-200,807,273.07

Finding the Fourth Proportional to 649,467,252.32, 974,291,432.65 and 200,807,273.07

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Solution

The fourth proportional to 649,467,252.32, 974,291,432.65 and 200,807,273.07 is: 301,238,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,467,252.32 : 974,291,432.65 = 200,807,273.07 : x
  2. Step 2: Convert to fraction form
    649,467,252.32/974,291,432.65 = 200,807,273.07/x
  3. Step 3: Cross multiply
    649,467,252.32x = 974,291,432.65 × 200,807,273.07
  4. Step 4: Simplify right side
    649,467,252.32x = 195,644,805,765,408,032
  5. Step 5: Solve for x
    x = 195,644,805,765,408,032/649,467,252.32
  6. Step 6: Final answer
    x = 301,238,907.84

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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.