Home / 7,474,691,785.40-11,212,037,678.10-3,604,856,521.40

Finding the Fourth Proportional to 7,474,691,785.40, 11,212,037,678.10 and 3,604,856,521.40

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Solution

The fourth proportional to 7,474,691,785.40, 11,212,037,678.10 and 3,604,856,521.40 is: 5,407,284,782.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474,691,785.40 : 11,212,037,678.10 = 3,604,856,521.40 : x
  2. Step 2: Convert to fraction form
    7,474,691,785.40/11,212,037,678.10 = 3,604,856,521.40/x
  3. Step 3: Cross multiply
    7,474,691,785.40x = 11,212,037,678.10 × 3,604,856,521.40
  4. Step 4: Simplify right side
    7,474,691,785.40x = 40,417,787,142,081,298,432
  5. Step 5: Solve for x
    x = 40,417,787,142,081,298,432/7,474,691,785.40
  6. Step 6: Final answer
    x = 5,407,284,782.10

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Double scale
Find fourth proportional to 7,474,691,786.40, 11,212,037,679.60 and 3,604,856,522.40
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.