Home / 7,194,611,615.20-9,927,897,736.83-3,979,452,406.14

Finding the Fourth Proportional to 7,194,611,615.20, 9,927,897,736.83 and 3,979,452,406.14

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Solution

The fourth proportional to 7,194,611,615.20, 9,927,897,736.83 and 3,979,452,406.14 is: 5,491,275,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,611,615.20 : 9,927,897,736.83 = 3,979,452,406.14 : x
  2. Step 2: Convert to fraction form
    7,194,611,615.20/9,927,897,736.83 = 3,979,452,406.14/x
  3. Step 3: Cross multiply
    7,194,611,615.20x = 9,927,897,736.83 × 3,979,452,406.14
  4. Step 4: Simplify right side
    7,194,611,615.20x = 39,507,596,536,695,291,904
  5. Step 5: Solve for x
    x = 39,507,596,536,695,291,904/7,194,611,615.20
  6. Step 6: Final answer
    x = 5,491,275,783.84

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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.