Home / 557,272,275.84-769,036,232.54-306,380,936.30

Finding the Fourth Proportional to 557,272,275.84, 769,036,232.54 and 306,380,936.30

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Solution

The fourth proportional to 557,272,275.84, 769,036,232.54 and 306,380,936.30 is: 422,805,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,272,275.84 : 769,036,232.54 = 306,380,936.30 : x
  2. Step 2: Convert to fraction form
    557,272,275.84/769,036,232.54 = 306,380,936.30/x
  3. Step 3: Cross multiply
    557,272,275.84x = 769,036,232.54 × 306,380,936.30
  4. Step 4: Simplify right side
    557,272,275.84x = 235,618,040,971,150,528
  5. Step 5: Solve for x
    x = 235,618,040,971,150,528/557,272,275.84
  6. Step 6: Final answer
    x = 422,805,962.52

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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.