Home / 502,248,187.26-693,117,515.43-276,175,429.02

Finding the Fourth Proportional to 502,248,187.26, 693,117,515.43 and 276,175,429.02

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Solution

The fourth proportional to 502,248,187.26, 693,117,515.43 and 276,175,429.02 is: 381,130,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,248,187.26 : 693,117,515.43 = 276,175,429.02 : x
  2. Step 2: Convert to fraction form
    502,248,187.26/693,117,515.43 = 276,175,429.02/x
  3. Step 3: Cross multiply
    502,248,187.26x = 693,117,515.43 × 276,175,429.02
  4. Step 4: Simplify right side
    502,248,187.26x = 191,422,027,185,156,704
  5. Step 5: Solve for x
    x = 191,422,027,185,156,704/502,248,187.26
  6. Step 6: Final answer
    x = 381,130,349.58

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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.