Home / 807,145,862,962.52-1,210,719,959,686.90-329,615,161,083.78

Finding the Fourth Proportional to 807,145,862,962.52, 1,210,719,959,686.90 and 329,615,161,083.78

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Solution

The fourth proportional to 807,145,862,962.52, 1,210,719,959,686.90 and 329,615,161,083.78 is: 494,423,217,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,145,862,962.52 : 1,210,719,959,686.90 = 329,615,161,083.78 : x
  2. Step 2: Convert to fraction form
    807,145,862,962.52/1,210,719,959,686.90 = 329,615,161,083.78/x
  3. Step 3: Cross multiply
    807,145,862,962.52x = 1,210,719,959,686.90 × 329,615,161,083.78
  4. Step 4: Simplify right side
    807,145,862,962.52x = 399,071,654,539,545,146,294,272
  5. Step 5: Solve for x
    x = 399,071,654,539,545,146,294,272/807,145,862,962.52
  6. Step 6: Final answer
    x = 494,423,217,477.45

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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.