Home / 18,979,446,332.08-26,191,635,371.40-10,521,248,676.40

Finding the Fourth Proportional to 18,979,446,332.08, 26,191,635,371.40 and 10,521,248,676.40

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Solution

The fourth proportional to 18,979,446,332.08, 26,191,635,371.40 and 10,521,248,676.40 is: 14,519,322,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,446,332.08 : 26,191,635,371.40 = 10,521,248,676.40 : x
  2. Step 2: Convert to fraction form
    18,979,446,332.08/26,191,635,371.40 = 10,521,248,676.40/x
  3. Step 3: Cross multiply
    18,979,446,332.08x = 26,191,635,371.40 × 10,521,248,676.40
  4. Step 4: Simplify right side
    18,979,446,332.08x = 275,568,708,984,093,671,424
  5. Step 5: Solve for x
    x = 275,568,708,984,093,671,424/18,979,446,332.08
  6. Step 6: Final answer
    x = 14,519,322,859.19

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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.