Home / 10,865,016,014.40-16,297,524,021.60-3,885,707,649.60

Finding the Fourth Proportional to 10,865,016,014.40, 16,297,524,021.60 and 3,885,707,649.60

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Solution

The fourth proportional to 10,865,016,014.40, 16,297,524,021.60 and 3,885,707,649.60 is: 5,828,561,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,016,014.40 : 16,297,524,021.60 = 3,885,707,649.60 : x
  2. Step 2: Convert to fraction form
    10,865,016,014.40/16,297,524,021.60 = 3,885,707,649.60/x
  3. Step 3: Cross multiply
    10,865,016,014.40x = 16,297,524,021.60 × 3,885,707,649.60
  4. Step 4: Simplify right side
    10,865,016,014.40x = 63,327,413,760,270,876,672
  5. Step 5: Solve for x
    x = 63,327,413,760,270,876,672/10,865,016,014.40
  6. Step 6: Final answer
    x = 5,828,561,474.40

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Double scale
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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.