Home / 387,645,528.32-581,726,872.56-201,071,424.32

Finding the Fourth Proportional to 387,645,528.32, 581,726,872.56 and 201,071,424.32

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Solution

The fourth proportional to 387,645,528.32, 581,726,872.56 and 201,071,424.32 is: 301,741,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,645,528.32 : 581,726,872.56 = 201,071,424.32 : x
  2. Step 2: Convert to fraction form
    387,645,528.32/581,726,872.56 = 201,071,424.32/x
  3. Step 3: Cross multiply
    387,645,528.32x = 581,726,872.56 × 201,071,424.32
  4. Step 4: Simplify right side
    387,645,528.32x = 116,968,650,830,858,304
  5. Step 5: Solve for x
    x = 116,968,650,830,858,304/387,645,528.32
  6. Step 6: Final answer
    x = 301,741,261.76

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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.