Home / 7,185,159,098.20-10,777,738,647.30-6,647,681,978.20

Finding the Fourth Proportional to 7,185,159,098.20, 10,777,738,647.30 and 6,647,681,978.20

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Solution

The fourth proportional to 7,185,159,098.20, 10,777,738,647.30 and 6,647,681,978.20 is: 9,971,522,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,159,098.20 : 10,777,738,647.30 = 6,647,681,978.20 : x
  2. Step 2: Convert to fraction form
    7,185,159,098.20/10,777,738,647.30 = 6,647,681,978.20/x
  3. Step 3: Cross multiply
    7,185,159,098.20x = 10,777,738,647.30 × 6,647,681,978.20
  4. Step 4: Simplify right side
    7,185,159,098.20x = 71,646,978,971,405,852,672
  5. Step 5: Solve for x
    x = 71,646,978,971,405,852,672/7,185,159,098.20
  6. Step 6: Final answer
    x = 9,971,522,967.30

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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.