Home / 768,889,144.26-1,061,011,933.88-451,362,282.95

Finding the Fourth Proportional to 768,889,144.26, 1,061,011,933.88 and 451,362,282.95

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Solution

The fourth proportional to 768,889,144.26, 1,061,011,933.88 and 451,362,282.95 is: 622,847,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,889,144.26 : 1,061,011,933.88 = 451,362,282.95 : x
  2. Step 2: Convert to fraction form
    768,889,144.26/1,061,011,933.88 = 451,362,282.95/x
  3. Step 3: Cross multiply
    768,889,144.26x = 1,061,011,933.88 × 451,362,282.95
  4. Step 4: Simplify right side
    768,889,144.26x = 478,900,768,705,709,376
  5. Step 5: Solve for x
    x = 478,900,768,705,709,376/768,889,144.26
  6. Step 6: Final answer
    x = 622,847,613.70

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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.