Home / 807,145,862,963.75-1,210,719,959,688.80-329,615,161,085.03

Finding the Fourth Proportional to 807,145,862,963.75, 1,210,719,959,688.80 and 329,615,161,085.03

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Solution

The fourth proportional to 807,145,862,963.75, 1,210,719,959,688.80 and 329,615,161,085.03 is: 494,423,217,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,862,963.75 : 1,210,719,959,688.80 = 329,615,161,085.03 : x
  2. Step 2: Convert to fraction form
    807,145,862,963.75/1,210,719,959,688.80 = 329,615,161,085.03/x
  3. Step 3: Cross multiply
    807,145,862,963.75x = 1,210,719,959,688.80 × 329,615,161,085.03
  4. Step 4: Simplify right side
    807,145,862,963.75x = 399,071,654,541,684,912,422,912
  5. Step 5: Solve for x
    x = 399,071,654,541,684,912,422,912/807,145,862,963.75
  6. Step 6: Final answer
    x = 494,423,217,479.35

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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.