Home / 491,548,425.66-678,346,827.08-268,544,551.23

Finding the Fourth Proportional to 491,548,425.66, 678,346,827.08 and 268,544,551.23

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Solution

The fourth proportional to 491,548,425.66, 678,346,827.08 and 268,544,551.23 is: 370,596,943.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,548,425.66 : 678,346,827.08 = 268,544,551.23 : x
  2. Step 2: Convert to fraction form
    491,548,425.66/678,346,827.08 = 268,544,551.23/x
  3. Step 3: Cross multiply
    491,548,425.66x = 678,346,827.08 × 268,544,551.23
  4. Step 4: Simplify right side
    491,548,425.66x = 182,166,344,255,150,304
  5. Step 5: Solve for x
    x = 182,166,344,255,150,304/491,548,425.66
  6. Step 6: Final answer
    x = 370,596,943.75

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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.