Home / 2,087,707,785.72-3,132,782,811.95-778,514,298.36

Finding the Fourth Proportional to 2,087,707,785.72, 3,132,782,811.95 and 778,514,298.36

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Solution

The fourth proportional to 2,087,707,785.72, 3,132,782,811.95 and 778,514,298.36 is: 1,168,226,812.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,707,785.72 : 3,132,782,811.95 = 778,514,298.36 : x
  2. Step 2: Convert to fraction form
    2,087,707,785.72/3,132,782,811.95 = 778,514,298.36/x
  3. Step 3: Cross multiply
    2,087,707,785.72x = 3,132,782,811.95 × 778,514,298.36
  4. Step 4: Simplify right side
    2,087,707,785.72x = 2,438,916,212,755,629,568
  5. Step 5: Solve for x
    x = 2,438,916,212,755,629,568/2,087,707,785.72
  6. Step 6: Final answer
    x = 1,168,226,812.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.