Home / 315,241,570.80-472,066,093.80-206,949,884.40

Finding the Fourth Proportional to 315,241,570.80, 472,066,093.80 and 206,949,884.40

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Solution

The fourth proportional to 315,241,570.80, 472,066,093.80 and 206,949,884.40 is: 309,902,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,241,570.80 : 472,066,093.80 = 206,949,884.40 : x
  2. Step 2: Convert to fraction form
    315,241,570.80/472,066,093.80 = 206,949,884.40/x
  3. Step 3: Cross multiply
    315,241,570.80x = 472,066,093.80 × 206,949,884.40
  4. Step 4: Simplify right side
    315,241,570.80x = 97,694,023,541,069,568
  5. Step 5: Solve for x
    x = 97,694,023,541,069,568/315,241,570.80
  6. Step 6: Final answer
    x = 309,902,096.01

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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.