Home / 6,596,489,615.40-9,894,734,423.10-3,979,248,978.60

Finding the Fourth Proportional to 6,596,489,615.40, 9,894,734,423.10 and 3,979,248,978.60

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Solution

The fourth proportional to 6,596,489,615.40, 9,894,734,423.10 and 3,979,248,978.60 is: 5,968,873,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596,489,615.40 : 9,894,734,423.10 = 3,979,248,978.60 : x
  2. Step 2: Convert to fraction form
    6,596,489,615.40/9,894,734,423.10 = 3,979,248,978.60/x
  3. Step 3: Cross multiply
    6,596,489,615.40x = 9,894,734,423.10 × 3,979,248,978.60
  4. Step 4: Simplify right side
    6,596,489,615.40x = 39,373,611,846,638,936,064
  5. Step 5: Solve for x
    x = 39,373,611,846,638,936,064/6,596,489,615.40
  6. Step 6: Final answer
    x = 5,968,873,467.90

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Double scale
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Similar ratio
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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.