Home / 2,087,707,826.32-3,132,782,872.80-778,514,338.96

Finding the Fourth Proportional to 2,087,707,826.32, 3,132,782,872.80 and 778,514,338.96

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Solution

The fourth proportional to 2,087,707,826.32, 3,132,782,872.80 and 778,514,338.96 is: 1,168,226,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,707,826.32 : 3,132,782,872.80 = 778,514,338.96 : x
  2. Step 2: Convert to fraction form
    2,087,707,826.32/3,132,782,872.80 = 778,514,338.96/x
  3. Step 3: Cross multiply
    2,087,707,826.32x = 3,132,782,872.80 × 778,514,338.96
  4. Step 4: Simplify right side
    2,087,707,826.32x = 2,438,916,387,323,102,208
  5. Step 5: Solve for x
    x = 2,438,916,387,323,102,208/2,087,707,826.32
  6. Step 6: Final answer
    x = 1,168,226,873.79

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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.