Home / 287,309,245,195.82-430,964,282,570.07-117,328,834,224.15

Finding the Fourth Proportional to 287,309,245,195.82, 430,964,282,570.07 and 117,328,834,224.15

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Solution

The fourth proportional to 287,309,245,195.82, 430,964,282,570.07 and 117,328,834,224.15 is: 175,993,420,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,195.82 : 430,964,282,570.07 = 117,328,834,224.15 : x
  2. Step 2: Convert to fraction form
    287,309,245,195.82/430,964,282,570.07 = 117,328,834,224.15/x
  3. Step 3: Cross multiply
    287,309,245,195.82x = 430,964,282,570.07 × 117,328,834,224.15
  4. Step 4: Simplify right side
    287,309,245,195.82x = 50,564,536,866,193,482,448,896
  5. Step 5: Solve for x
    x = 50,564,536,866,193,482,448,896/287,309,245,195.82
  6. Step 6: Final answer
    x = 175,993,420,718.96

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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.