Home / 8,432,926,635.78-11,630,653,116.48-7,413,472,317.60

Finding the Fourth Proportional to 8,432,926,635.78, 11,630,653,116.48 and 7,413,472,317.60

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Solution

The fourth proportional to 8,432,926,635.78, 11,630,653,116.48 and 7,413,472,317.60 is: 10,224,626,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432,926,635.78 : 11,630,653,116.48 = 7,413,472,317.60 : x
  2. Step 2: Convert to fraction form
    8,432,926,635.78/11,630,653,116.48 = 7,413,472,317.60/x
  3. Step 3: Cross multiply
    8,432,926,635.78x = 11,630,653,116.48 × 7,413,472,317.60
  4. Step 4: Simplify right side
    8,432,926,635.78x = 86,223,524,914,632,654,848
  5. Step 5: Solve for x
    x = 86,223,524,914,632,654,848/8,432,926,635.78
  6. Step 6: Final answer
    x = 10,224,626,471.76

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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.