Home / 692,956,904.11-1,039,566,452.23-278,465,991.55

Finding the Fourth Proportional to 692,956,904.11, 1,039,566,452.23 and 278,465,991.55

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Solution

The fourth proportional to 692,956,904.11, 1,039,566,452.23 and 278,465,991.55 is: 417,751,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,956,904.11 : 1,039,566,452.23 = 278,465,991.55 : x
  2. Step 2: Convert to fraction form
    692,956,904.11/1,039,566,452.23 = 278,465,991.55/x
  3. Step 3: Cross multiply
    692,956,904.11x = 1,039,566,452.23 × 278,465,991.55
  4. Step 4: Simplify right side
    692,956,904.11x = 289,483,902,900,105,792
  5. Step 5: Solve for x
    x = 289,483,902,900,105,792/692,956,904.11
  6. Step 6: Final answer
    x = 417,751,668.52

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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.