Home / 768,953,002.14-1,061,160,238.04-416,528,992.85

Finding the Fourth Proportional to 768,953,002.14, 1,061,160,238.04 and 416,528,992.85

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Solution

The fourth proportional to 768,953,002.14, 1,061,160,238.04 and 416,528,992.85 is: 574,812,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,953,002.14 : 1,061,160,238.04 = 416,528,992.85 : x
  2. Step 2: Convert to fraction form
    768,953,002.14/1,061,160,238.04 = 416,528,992.85/x
  3. Step 3: Cross multiply
    768,953,002.14x = 1,061,160,238.04 × 416,528,992.85
  4. Step 4: Simplify right side
    768,953,002.14x = 442,004,005,195,879,040
  5. Step 5: Solve for x
    x = 442,004,005,195,879,040/768,953,002.14
  6. Step 6: Final answer
    x = 574,812,770.05

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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.