Home / 386,260,975.41-533,043,941.70-210,052,799.83

Finding the Fourth Proportional to 386,260,975.41, 533,043,941.70 and 210,052,799.83

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Solution

The fourth proportional to 386,260,975.41, 533,043,941.70 and 210,052,799.83 is: 289,874,927.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,260,975.41 : 533,043,941.70 = 210,052,799.83 : x
  2. Step 2: Convert to fraction form
    386,260,975.41/533,043,941.70 = 210,052,799.83/x
  3. Step 3: Cross multiply
    386,260,975.41x = 533,043,941.70 × 210,052,799.83
  4. Step 4: Simplify right side
    386,260,975.41x = 111,967,372,386,504,288
  5. Step 5: Solve for x
    x = 111,967,372,386,504,288/386,260,975.41
  6. Step 6: Final answer
    x = 289,874,927.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.