Home / 807,145,863,136.44-1,210,719,959,947.40-329,615,161,257.15

Finding the Fourth Proportional to 807,145,863,136.44, 1,210,719,959,947.40 and 329,615,161,257.15

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Solution

The fourth proportional to 807,145,863,136.44, 1,210,719,959,947.40 and 329,615,161,257.15 is: 494,423,217,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,863,136.44 : 1,210,719,959,947.40 = 329,615,161,257.15 : x
  2. Step 2: Convert to fraction form
    807,145,863,136.44/1,210,719,959,947.40 = 329,615,161,257.15/x
  3. Step 3: Cross multiply
    807,145,863,136.44x = 1,210,719,959,947.40 × 329,615,161,257.15
  4. Step 4: Simplify right side
    807,145,863,136.44x = 399,071,654,835,312,431,988,736
  5. Step 5: Solve for x
    x = 399,071,654,835,312,431,988,736/807,145,863,136.44
  6. Step 6: Final answer
    x = 494,423,217,737.35

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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.