Home / 1,985,178,343.12-2,976,388,556.92-879,180,514

Finding the Fourth Proportional to 1,985,178,343.12, 2,976,388,556.92 and 879,180,514

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Solution

The fourth proportional to 1,985,178,343.12, 2,976,388,556.92 and 879,180,514 is: 1,318,160,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,178,343.12 : 2,976,388,556.92 = 879,180,514 : x
  2. Step 2: Convert to fraction form
    1,985,178,343.12/2,976,388,556.92 = 879,180,514/x
  3. Step 3: Cross multiply
    1,985,178,343.12x = 2,976,388,556.92 × 879,180,514
  4. Step 4: Simplify right side
    1,985,178,343.12x = 2,616,782,821,336,644,096
  5. Step 5: Solve for x
    x = 2,616,782,821,336,644,096/1,985,178,343.12
  6. Step 6: Final answer
    x = 1,318,160,068.79

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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.