Home / 328,659,945,694.68-492,645,839,973.12-137,541,483,731.82

Finding the Fourth Proportional to 328,659,945,694.68, 492,645,839,973.12 and 137,541,483,731.82

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Solution

The fourth proportional to 328,659,945,694.68, 492,645,839,973.12 and 137,541,483,731.82 is: 206,168,231,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,659,945,694.68 : 492,645,839,973.12 = 137,541,483,731.82 : x
  2. Step 2: Convert to fraction form
    328,659,945,694.68/492,645,839,973.12 = 137,541,483,731.82/x
  3. Step 3: Cross multiply
    328,659,945,694.68x = 492,645,839,973.12 × 137,541,483,731.82
  4. Step 4: Simplify right side
    328,659,945,694.68x = 67,759,239,784,211,683,475,456
  5. Step 5: Solve for x
    x = 67,759,239,784,211,683,475,456/328,659,945,694.68
  6. Step 6: Final answer
    x = 206,168,231,547.02

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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.