Home / 807,145,862,962.02-1,210,719,959,686.10-329,615,161,083.28

Finding the Fourth Proportional to 807,145,862,962.02, 1,210,719,959,686.10 and 329,615,161,083.28

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Solution

The fourth proportional to 807,145,862,962.02, 1,210,719,959,686.10 and 329,615,161,083.28 is: 494,423,217,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,862,962.02 : 1,210,719,959,686.10 = 329,615,161,083.28 : x
  2. Step 2: Convert to fraction form
    807,145,862,962.02/1,210,719,959,686.10 = 329,615,161,083.28/x
  3. Step 3: Cross multiply
    807,145,862,962.02x = 1,210,719,959,686.10 × 329,615,161,083.28
  4. Step 4: Simplify right side
    807,145,862,962.02x = 399,071,654,538,676,153,614,336
  5. Step 5: Solve for x
    x = 399,071,654,538,676,153,614,336/807,145,862,962.02
  6. Step 6: Final answer
    x = 494,423,217,476.68

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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.