Home / 2,363,905,012.80-3,545,857,519.20-640,618,996.80

Finding the Fourth Proportional to 2,363,905,012.80, 3,545,857,519.20 and 640,618,996.80

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Solution

The fourth proportional to 2,363,905,012.80, 3,545,857,519.20 and 640,618,996.80 is: 960,928,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363,905,012.80 : 3,545,857,519.20 = 640,618,996.80 : x
  2. Step 2: Convert to fraction form
    2,363,905,012.80/3,545,857,519.20 = 640,618,996.80/x
  3. Step 3: Cross multiply
    2,363,905,012.80x = 3,545,857,519.20 × 640,618,996.80
  4. Step 4: Simplify right side
    2,363,905,012.80x = 2,271,543,686,745,640,448
  5. Step 5: Solve for x
    x = 2,271,543,686,745,640,448/2,363,905,012.80
  6. Step 6: Final answer
    x = 960,928,495.20

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Double scale
Find fourth proportional to 2,363,905,013.80, 3,545,857,520.70 and 640,618,997.80
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1.5x scale

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.