Home / 7,821,738,126.90-11,732,607,190.35-5,342,246,997.30

Finding the Fourth Proportional to 7,821,738,126.90, 11,732,607,190.35 and 5,342,246,997.30

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Solution

The fourth proportional to 7,821,738,126.90, 11,732,607,190.35 and 5,342,246,997.30 is: 8,013,370,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821,738,126.90 : 11,732,607,190.35 = 5,342,246,997.30 : x
  2. Step 2: Convert to fraction form
    7,821,738,126.90/11,732,607,190.35 = 5,342,246,997.30/x
  3. Step 3: Cross multiply
    7,821,738,126.90x = 11,732,607,190.35 × 5,342,246,997.30
  4. Step 4: Simplify right side
    7,821,738,126.90x = 62,678,485,533,147,684,864
  5. Step 5: Solve for x
    x = 62,678,485,533,147,684,864/7,821,738,126.90
  6. Step 6: Final answer
    x = 8,013,370,495.95

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Double scale
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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.