Home / 6,327,168,019.20-9,490,752,028.80-4,257,881,107.20

Finding the Fourth Proportional to 6,327,168,019.20, 9,490,752,028.80 and 4,257,881,107.20

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Solution

The fourth proportional to 6,327,168,019.20, 9,490,752,028.80 and 4,257,881,107.20 is: 6,386,821,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,327,168,019.20 : 9,490,752,028.80 = 4,257,881,107.20 : x
  2. Step 2: Convert to fraction form
    6,327,168,019.20/9,490,752,028.80 = 4,257,881,107.20/x
  3. Step 3: Cross multiply
    6,327,168,019.20x = 9,490,752,028.80 × 4,257,881,107.20
  4. Step 4: Simplify right side
    6,327,168,019.20x = 40,410,493,756,547,588,096
  5. Step 5: Solve for x
    x = 40,410,493,756,547,588,096/6,327,168,019.20
  6. Step 6: Final answer
    x = 6,386,821,660.80

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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.