Home / 18,979,446,333.08-26,191,635,372.78-10,521,248,677.40

Finding the Fourth Proportional to 18,979,446,333.08, 26,191,635,372.78 and 10,521,248,677.40

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Solution

The fourth proportional to 18,979,446,333.08, 26,191,635,372.78 and 10,521,248,677.40 is: 14,519,322,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,446,333.08 : 26,191,635,372.78 = 10,521,248,677.40 : x
  2. Step 2: Convert to fraction form
    18,979,446,333.08/26,191,635,372.78 = 10,521,248,677.40/x
  3. Step 3: Cross multiply
    18,979,446,333.08x = 26,191,635,372.78 × 10,521,248,677.40
  4. Step 4: Simplify right side
    18,979,446,333.08x = 275,568,709,024,804,601,856
  5. Step 5: Solve for x
    x = 275,568,709,024,804,601,856/18,979,446,333.08
  6. Step 6: Final answer
    x = 14,519,322,860.57

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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.