Home / 491,548,433.16-678,346,837.38-268,544,558.74

Finding the Fourth Proportional to 491,548,433.16, 678,346,837.38 and 268,544,558.74

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Solution

The fourth proportional to 491,548,433.16, 678,346,837.38 and 268,544,558.74 is: 370,596,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548,433.16 : 678,346,837.38 = 268,544,558.74 : x
  2. Step 2: Convert to fraction form
    491,548,433.16/678,346,837.38 = 268,544,558.74/x
  3. Step 3: Cross multiply
    491,548,433.16x = 678,346,837.38 × 268,544,558.74
  4. Step 4: Simplify right side
    491,548,433.16x = 182,166,352,116,886,656
  5. Step 5: Solve for x
    x = 182,166,352,116,886,656/491,548,433.16
  6. Step 6: Final answer
    x = 370,596,954.09

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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.