Home / 807,145,863,048.35-1,210,719,959,815.10-329,615,161,169.02

Finding the Fourth Proportional to 807,145,863,048.35, 1,210,719,959,815.10 and 329,615,161,169.02

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Solution

The fourth proportional to 807,145,863,048.35, 1,210,719,959,815.10 and 329,615,161,169.02 is: 494,423,217,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,863,048.35 : 1,210,719,959,815.10 = 329,615,161,169.02 : x
  2. Step 2: Convert to fraction form
    807,145,863,048.35/1,210,719,959,815.10 = 329,615,161,169.02/x
  3. Step 3: Cross multiply
    807,145,863,048.35x = 1,210,719,959,815.10 × 329,615,161,169.02
  4. Step 4: Simplify right side
    807,145,863,048.35x = 399,071,654,685,003,676,123,136
  5. Step 5: Solve for x
    x = 399,071,654,685,003,676,123,136/807,145,863,048.35
  6. Step 6: Final answer
    x = 494,423,217,605.09

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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.