Home / 807,145,863,047.84-1,210,719,959,814.30-329,615,161,168.52

Finding the Fourth Proportional to 807,145,863,047.84, 1,210,719,959,814.30 and 329,615,161,168.52

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Solution

The fourth proportional to 807,145,863,047.84, 1,210,719,959,814.30 and 329,615,161,168.52 is: 494,423,217,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,863,047.84 : 1,210,719,959,814.30 = 329,615,161,168.52 : x
  2. Step 2: Convert to fraction form
    807,145,863,047.84/1,210,719,959,814.30 = 329,615,161,168.52/x
  3. Step 3: Cross multiply
    807,145,863,047.84x = 1,210,719,959,814.30 × 329,615,161,168.52
  4. Step 4: Simplify right side
    807,145,863,047.84x = 399,071,654,684,134,616,334,336
  5. Step 5: Solve for x
    x = 399,071,654,684,134,616,334,336/807,145,863,047.84
  6. Step 6: Final answer
    x = 494,423,217,604.33

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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.