Home / 287,309,245,197.65-430,964,282,572.83-117,328,834,225.98

Finding the Fourth Proportional to 287,309,245,197.65, 430,964,282,572.83 and 117,328,834,225.98

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Solution

The fourth proportional to 287,309,245,197.65, 430,964,282,572.83 and 117,328,834,225.98 is: 175,993,420,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,197.65 : 430,964,282,572.83 = 117,328,834,225.98 : x
  2. Step 2: Convert to fraction form
    287,309,245,197.65/430,964,282,572.83 = 117,328,834,225.98/x
  3. Step 3: Cross multiply
    287,309,245,197.65x = 430,964,282,572.83 × 117,328,834,225.98
  4. Step 4: Simplify right side
    287,309,245,197.65x = 50,564,536,867,305,971,253,248
  5. Step 5: Solve for x
    x = 50,564,536,867,305,971,253,248/287,309,245,197.65
  6. Step 6: Final answer
    x = 175,993,420,721.71

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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.