Home / 1,268,674,366.40-1,904,879,631.84-709,531,682.72

Finding the Fourth Proportional to 1,268,674,366.40, 1,904,879,631.84 and 709,531,682.72

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Solution

The fourth proportional to 1,268,674,366.40, 1,904,879,631.84 and 709,531,682.72 is: 1,065,342,286.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,674,366.40 : 1,904,879,631.84 = 709,531,682.72 : x
  2. Step 2: Convert to fraction form
    1,268,674,366.40/1,904,879,631.84 = 709,531,682.72/x
  3. Step 3: Cross multiply
    1,268,674,366.40x = 1,904,879,631.84 × 709,531,682.72
  4. Step 4: Simplify right side
    1,268,674,366.40x = 1,351,572,450,558,489,344
  5. Step 5: Solve for x
    x = 1,351,572,450,558,489,344/1,268,674,366.40
  6. Step 6: Final answer
    x = 1,065,342,286.68

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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.