Home / 18,379,614,735.72-25,363,198,705.08-10,240,997,639.94

Finding the Fourth Proportional to 18,379,614,735.72, 25,363,198,705.08 and 10,240,997,639.94

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Solution

The fourth proportional to 18,379,614,735.72, 25,363,198,705.08 and 10,240,997,639.94 is: 14,132,203,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379,614,735.72 : 25,363,198,705.08 = 10,240,997,639.94 : x
  2. Step 2: Convert to fraction form
    18,379,614,735.72/25,363,198,705.08 = 10,240,997,639.94/x
  3. Step 3: Cross multiply
    18,379,614,735.72x = 25,363,198,705.08 × 10,240,997,639.94
  4. Step 4: Simplify right side
    18,379,614,735.72x = 259,744,458,080,053,592,064
  5. Step 5: Solve for x
    x = 259,744,458,080,053,592,064/18,379,614,735.72
  6. Step 6: Final answer
    x = 14,132,203,629.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.