Home / 442,950,082.80-664,362,138.60-151,830,639.60

Finding the Fourth Proportional to 442,950,082.80, 664,362,138.60 and 151,830,639.60

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Solution

The fourth proportional to 442,950,082.80, 664,362,138.60 and 151,830,639.60 is: 227,724,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,950,082.80 : 664,362,138.60 = 151,830,639.60 : x
  2. Step 2: Convert to fraction form
    442,950,082.80/664,362,138.60 = 151,830,639.60/x
  3. Step 3: Cross multiply
    442,950,082.80x = 664,362,138.60 × 151,830,639.60
  4. Step 4: Simplify right side
    442,950,082.80x = 100,870,528,429,661,856
  5. Step 5: Solve for x
    x = 100,870,528,429,661,856/442,950,082.80
  6. Step 6: Final answer
    x = 227,724,369.73

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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.