Home / 768,550,079.79-1,152,895,989.42-250,983,232.83

Finding the Fourth Proportional to 768,550,079.79, 1,152,895,989.42 and 250,983,232.83

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Solution

The fourth proportional to 768,550,079.79, 1,152,895,989.42 and 250,983,232.83 is: 376,497,992.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,550,079.79 : 1,152,895,989.42 = 250,983,232.83 : x
  2. Step 2: Convert to fraction form
    768,550,079.79/1,152,895,989.42 = 250,983,232.83/x
  3. Step 3: Cross multiply
    768,550,079.79x = 1,152,895,989.42 × 250,983,232.83
  4. Step 4: Simplify right side
    768,550,079.79x = 289,357,562,541,373,120
  5. Step 5: Solve for x
    x = 289,357,562,541,373,120/768,550,079.79
  6. Step 6: Final answer
    x = 376,497,992.97

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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.