Home / 807,145,862,964.27-1,210,719,959,689.50-329,615,161,085.53

Finding the Fourth Proportional to 807,145,862,964.27, 1,210,719,959,689.50 and 329,615,161,085.53

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Solution

The fourth proportional to 807,145,862,964.27, 1,210,719,959,689.50 and 329,615,161,085.53 is: 494,423,217,480.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,862,964.27 : 1,210,719,959,689.50 = 329,615,161,085.53 : x
  2. Step 2: Convert to fraction form
    807,145,862,964.27/1,210,719,959,689.50 = 329,615,161,085.53/x
  3. Step 3: Cross multiply
    807,145,862,964.27x = 1,210,719,959,689.50 × 329,615,161,085.53
  4. Step 4: Simplify right side
    807,145,862,964.27x = 399,071,654,542,520,954,650,624
  5. Step 5: Solve for x
    x = 399,071,654,542,520,954,650,624/807,145,862,964.27
  6. Step 6: Final answer
    x = 494,423,217,480.07

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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.