Home / 497,976,008.51-687,210,213.97-271,916,561.69

Finding the Fourth Proportional to 497,976,008.51, 687,210,213.97 and 271,916,561.69

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Solution

The fourth proportional to 497,976,008.51, 687,210,213.97 and 271,916,561.69 is: 375,246,669.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,976,008.51 : 687,210,213.97 = 271,916,561.69 : x
  2. Step 2: Convert to fraction form
    497,976,008.51/687,210,213.97 = 271,916,561.69/x
  3. Step 3: Cross multiply
    497,976,008.51x = 687,210,213.97 × 271,916,561.69
  4. Step 4: Simplify right side
    497,976,008.51x = 186,863,838,538,918,912
  5. Step 5: Solve for x
    x = 186,863,838,538,918,912/497,976,008.51
  6. Step 6: Final answer
    x = 375,246,669.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.