Home / 2,164,821,103.89-2,987,453,123.64-1,174,746,520.89

Finding the Fourth Proportional to 2,164,821,103.89, 2,987,453,123.64 and 1,174,746,520.89

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Solution

The fourth proportional to 2,164,821,103.89, 2,987,453,123.64 and 1,174,746,520.89 is: 1,621,150,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,821,103.89 : 2,987,453,123.64 = 1,174,746,520.89 : x
  2. Step 2: Convert to fraction form
    2,164,821,103.89/2,987,453,123.64 = 1,174,746,520.89/x
  3. Step 3: Cross multiply
    2,164,821,103.89x = 2,987,453,123.64 × 1,174,746,520.89
  4. Step 4: Simplify right side
    2,164,821,103.89x = 3,509,500,163,318,053,376
  5. Step 5: Solve for x
    x = 3,509,500,163,318,053,376/2,164,821,103.89
  6. Step 6: Final answer
    x = 1,621,150,198.98

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Double scale
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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.