Home / 15,568,189,686.18-21,484,094,980.77-8,431,603,828.74

Finding the Fourth Proportional to 15,568,189,686.18, 21,484,094,980.77 and 8,431,603,828.74

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Solution

The fourth proportional to 15,568,189,686.18, 21,484,094,980.77 and 8,431,603,828.74 is: 11,635,609,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568,189,686.18 : 21,484,094,980.77 = 8,431,603,828.74 : x
  2. Step 2: Convert to fraction form
    15,568,189,686.18/21,484,094,980.77 = 8,431,603,828.74/x
  3. Step 3: Cross multiply
    15,568,189,686.18x = 21,484,094,980.77 × 8,431,603,828.74
  4. Step 4: Simplify right side
    15,568,189,686.18x = 181,145,377,496,874,156,032
  5. Step 5: Solve for x
    x = 181,145,377,496,874,156,032/15,568,189,686.18
  6. Step 6: Final answer
    x = 11,635,609,608.33

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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.