Home / 671,007,584.40-1,005,913,013.40-261,968,600.40

Finding the Fourth Proportional to 671,007,584.40, 1,005,913,013.40 and 261,968,600.40

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Solution

The fourth proportional to 671,007,584.40, 1,005,913,013.40 and 261,968,600.40 is: 392,719,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,007,584.40 : 1,005,913,013.40 = 261,968,600.40 : x
  2. Step 2: Convert to fraction form
    671,007,584.40/1,005,913,013.40 = 261,968,600.40/x
  3. Step 3: Cross multiply
    671,007,584.40x = 1,005,913,013.40 × 261,968,600.40
  4. Step 4: Simplify right side
    671,007,584.40x = 263,517,624,244,544,448
  5. Step 5: Solve for x
    x = 263,517,624,244,544,448/671,007,584.40
  6. Step 6: Final answer
    x = 392,719,293.15

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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.