Home / 287,309,245,195.58-430,964,282,569.72-117,328,834,223.90

Finding the Fourth Proportional to 287,309,245,195.58, 430,964,282,569.72 and 117,328,834,223.90

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Solution

The fourth proportional to 287,309,245,195.58, 430,964,282,569.72 and 117,328,834,223.90 is: 175,993,420,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,195.58 : 430,964,282,569.72 = 117,328,834,223.90 : x
  2. Step 2: Convert to fraction form
    287,309,245,195.58/430,964,282,569.72 = 117,328,834,223.90/x
  3. Step 3: Cross multiply
    287,309,245,195.58x = 430,964,282,569.72 × 117,328,834,223.90
  4. Step 4: Simplify right side
    287,309,245,195.58x = 50,564,536,866,044,668,542,976
  5. Step 5: Solve for x
    x = 50,564,536,866,044,668,542,976/287,309,245,195.58
  6. Step 6: Final answer
    x = 175,993,420,718.59

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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.