Home / 287,309,245,198.65-430,964,282,574.33-117,328,834,226.98

Finding the Fourth Proportional to 287,309,245,198.65, 430,964,282,574.33 and 117,328,834,226.98

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Solution

The fourth proportional to 287,309,245,198.65, 430,964,282,574.33 and 117,328,834,226.98 is: 175,993,420,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,309,245,198.65 : 430,964,282,574.33 = 117,328,834,226.98 : x
  2. Step 2: Convert to fraction form
    287,309,245,198.65/430,964,282,574.33 = 117,328,834,226.98/x
  3. Step 3: Cross multiply
    287,309,245,198.65x = 430,964,282,574.33 × 117,328,834,226.98
  4. Step 4: Simplify right side
    287,309,245,198.65x = 50,564,536,867,912,928,985,088
  5. Step 5: Solve for x
    x = 50,564,536,867,912,928,985,088/287,309,245,198.65
  6. Step 6: Final answer
    x = 175,993,420,723.21

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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.