Home / 38,179,944,588.73-52,689,956,544.21-21,263,589,430.69

Finding the Fourth Proportional to 38,179,944,588.73, 52,689,956,544.21 and 21,263,589,430.69

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Solution

The fourth proportional to 38,179,944,588.73, 52,689,956,544.21 and 21,263,589,430.69 is: 29,344,662,889.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,944,588.73 : 52,689,956,544.21 = 21,263,589,430.69 : x
  2. Step 2: Convert to fraction form
    38,179,944,588.73/52,689,956,544.21 = 21,263,589,430.69/x
  3. Step 3: Cross multiply
    38,179,944,588.73x = 52,689,956,544.21 × 21,263,589,430.69
  4. Step 4: Simplify right side
    38,179,944,588.73x = 1,120,377,603,076,979,032,064
  5. Step 5: Solve for x
    x = 1,120,377,603,076,979,032,064/38,179,944,588.73
  6. Step 6: Final answer
    x = 29,344,662,889.00

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Double scale
Find fourth proportional to 38,179,944,589.73, 52,689,956,545.59 and 21,263,589,431.69
Similar ratio
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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.