Home / 18,979,446,331.08-26,191,635,370.02-10,521,248,675.40

Finding the Fourth Proportional to 18,979,446,331.08, 26,191,635,370.02 and 10,521,248,675.40

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Solution

The fourth proportional to 18,979,446,331.08, 26,191,635,370.02 and 10,521,248,675.40 is: 14,519,322,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,446,331.08 : 26,191,635,370.02 = 10,521,248,675.40 : x
  2. Step 2: Convert to fraction form
    18,979,446,331.08/26,191,635,370.02 = 10,521,248,675.40/x
  3. Step 3: Cross multiply
    18,979,446,331.08x = 26,191,635,370.02 × 10,521,248,675.40
  4. Step 4: Simplify right side
    18,979,446,331.08x = 275,568,708,943,382,708,224
  5. Step 5: Solve for x
    x = 275,568,708,943,382,708,224/18,979,446,331.08
  6. Step 6: Final answer
    x = 14,519,322,857.81

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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.