Home / 1,247,147,943.63-1,870,483,505.03-373,749,311.91

Finding the Fourth Proportional to 1,247,147,943.63, 1,870,483,505.03 and 373,749,311.91

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Solution

The fourth proportional to 1,247,147,943.63, 1,870,483,505.03 and 373,749,311.91 is: 560,552,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,147,943.63 : 1,870,483,505.03 = 373,749,311.91 : x
  2. Step 2: Convert to fraction form
    1,247,147,943.63/1,870,483,505.03 = 373,749,311.91/x
  3. Step 3: Cross multiply
    1,247,147,943.63x = 1,870,483,505.03 × 373,749,311.91
  4. Step 4: Simplify right side
    1,247,147,943.63x = 699,091,922,942,098,816
  5. Step 5: Solve for x
    x = 699,091,922,942,098,816/1,247,147,943.63
  6. Step 6: Final answer
    x = 560,552,520.26

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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.