Home / 6,438,560,346.20-9,657,840,519.30-3,173,386,842.20

Finding the Fourth Proportional to 6,438,560,346.20, 9,657,840,519.30 and 3,173,386,842.20

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Solution

The fourth proportional to 6,438,560,346.20, 9,657,840,519.30 and 3,173,386,842.20 is: 4,760,080,263.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,560,346.20 : 9,657,840,519.30 = 3,173,386,842.20 : x
  2. Step 2: Convert to fraction form
    6,438,560,346.20/9,657,840,519.30 = 3,173,386,842.20/x
  3. Step 3: Cross multiply
    6,438,560,346.20x = 9,657,840,519.30 × 3,173,386,842.20
  4. Step 4: Simplify right side
    6,438,560,346.20x = 30,648,064,028,012,630,016
  5. Step 5: Solve for x
    x = 30,648,064,028,012,630,016/6,438,560,346.20
  6. Step 6: Final answer
    x = 4,760,080,263.30

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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.