Home / 287,309,245,196.82-430,964,282,571.57-117,328,834,225.15

Finding the Fourth Proportional to 287,309,245,196.82, 430,964,282,571.57 and 117,328,834,225.15

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Solution

The fourth proportional to 287,309,245,196.82, 430,964,282,571.57 and 117,328,834,225.15 is: 175,993,420,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,196.82 : 430,964,282,571.57 = 117,328,834,225.15 : x
  2. Step 2: Convert to fraction form
    287,309,245,196.82/430,964,282,571.57 = 117,328,834,225.15/x
  3. Step 3: Cross multiply
    287,309,245,196.82x = 430,964,282,571.57 × 117,328,834,225.15
  4. Step 4: Simplify right side
    287,309,245,196.82x = 50,564,536,866,800,440,180,736
  5. Step 5: Solve for x
    x = 50,564,536,866,800,440,180,736/287,309,245,196.82
  6. Step 6: Final answer
    x = 175,993,420,720.46

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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.