Home / 9,222,668,619.21-12,727,288,699.78-4,993,583,372.64

Finding the Fourth Proportional to 9,222,668,619.21, 12,727,288,699.78 and 4,993,583,372.64

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Solution

The fourth proportional to 9,222,668,619.21, 12,727,288,699.78 and 4,993,583,372.64 is: 6,891,148,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222,668,619.21 : 12,727,288,699.78 = 4,993,583,372.64 : x
  2. Step 2: Convert to fraction form
    9,222,668,619.21/12,727,288,699.78 = 4,993,583,372.64/x
  3. Step 3: Cross multiply
    9,222,668,619.21x = 12,727,288,699.78 × 4,993,583,372.64
  4. Step 4: Simplify right side
    9,222,668,619.21x = 63,554,777,230,000,390,144
  5. Step 5: Solve for x
    x = 63,554,777,230,000,390,144/9,222,668,619.21
  6. Step 6: Final answer
    x = 6,891,148,305.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.