Home / 499,949,083.42-689,929,676.01-299,005,926.76

Finding the Fourth Proportional to 499,949,083.42, 689,929,676.01 and 299,005,926.76

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Solution

The fourth proportional to 499,949,083.42, 689,929,676.01 and 299,005,926.76 is: 412,628,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,949,083.42 : 689,929,676.01 = 299,005,926.76 : x
  2. Step 2: Convert to fraction form
    499,949,083.42/689,929,676.01 = 299,005,926.76/x
  3. Step 3: Cross multiply
    499,949,083.42x = 689,929,676.01 × 299,005,926.76
  4. Step 4: Simplify right side
    499,949,083.42x = 206,293,062,175,459,008
  5. Step 5: Solve for x
    x = 206,293,062,175,459,008/499,949,083.42
  6. Step 6: Final answer
    x = 412,628,143.58

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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.