Home / 287,309,245,276.54-430,964,282,691.11-117,328,834,304.90

Finding the Fourth Proportional to 287,309,245,276.54, 430,964,282,691.11 and 117,328,834,304.90

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Solution

The fourth proportional to 287,309,245,276.54, 430,964,282,691.11 and 117,328,834,304.90 is: 175,993,420,840.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,276.54 : 430,964,282,691.11 = 117,328,834,304.90 : x
  2. Step 2: Convert to fraction form
    287,309,245,276.54/430,964,282,691.11 = 117,328,834,304.90/x
  3. Step 3: Cross multiply
    287,309,245,276.54x = 430,964,282,691.11 × 117,328,834,304.90
  4. Step 4: Simplify right side
    287,309,245,276.54x = 50,564,536,915,195,326,365,696
  5. Step 5: Solve for x
    x = 50,564,536,915,195,326,365,696/287,309,245,276.54
  6. Step 6: Final answer
    x = 175,993,420,840.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.