Home / 1,247,147,942.13-1,870,483,502.78-373,749,310.41

Finding the Fourth Proportional to 1,247,147,942.13, 1,870,483,502.78 and 373,749,310.41

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Solution

The fourth proportional to 1,247,147,942.13, 1,870,483,502.78 and 373,749,310.41 is: 560,552,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,147,942.13 : 1,870,483,502.78 = 373,749,310.41 : x
  2. Step 2: Convert to fraction form
    1,247,147,942.13/1,870,483,502.78 = 373,749,310.41/x
  3. Step 3: Cross multiply
    1,247,147,942.13x = 1,870,483,502.78 × 373,749,310.41
  4. Step 4: Simplify right side
    1,247,147,942.13x = 699,091,919,298,240,768
  5. Step 5: Solve for x
    x = 699,091,919,298,240,768/1,247,147,942.13
  6. Step 6: Final answer
    x = 560,552,518.02

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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.