Home / 2,918,175,846.29-4,377,717,265.74-979,932,574.61

Finding the Fourth Proportional to 2,918,175,846.29, 4,377,717,265.74 and 979,932,574.61

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Solution

The fourth proportional to 2,918,175,846.29, 4,377,717,265.74 and 979,932,574.61 is: 1,470,051,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,175,846.29 : 4,377,717,265.74 = 979,932,574.61 : x
  2. Step 2: Convert to fraction form
    2,918,175,846.29/4,377,717,265.74 = 979,932,574.61/x
  3. Step 3: Cross multiply
    2,918,175,846.29x = 4,377,717,265.74 × 979,932,574.61
  4. Step 4: Simplify right side
    2,918,175,846.29x = 4,289,867,751,109,359,104
  5. Step 5: Solve for x
    x = 4,289,867,751,109,359,104/2,918,175,846.29
  6. Step 6: Final answer
    x = 1,470,051,147.39

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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.