Home / 557,862,484.89-769,827,111.42-303,544,891.58

Finding the Fourth Proportional to 557,862,484.89, 769,827,111.42 and 303,544,891.58

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Solution

The fourth proportional to 557,862,484.89, 769,827,111.42 and 303,544,891.58 is: 418,879,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,862,484.89 : 769,827,111.42 = 303,544,891.58 : x
  2. Step 2: Convert to fraction form
    557,862,484.89/769,827,111.42 = 303,544,891.58/x
  3. Step 3: Cross multiply
    557,862,484.89x = 769,827,111.42 × 303,544,891.58
  4. Step 4: Simplify right side
    557,862,484.89x = 233,677,087,071,328,448
  5. Step 5: Solve for x
    x = 233,677,087,071,328,448/557,862,484.89
  6. Step 6: Final answer
    x = 418,879,371.53

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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.