Home / 1,529,878,191.12-2,295,285,622.92-783,422,481.84

Finding the Fourth Proportional to 1,529,878,191.12, 2,295,285,622.92 and 783,422,481.84

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Solution

The fourth proportional to 1,529,878,191.12, 2,295,285,622.92 and 783,422,481.84 is: 1,175,373,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529,878,191.12 : 2,295,285,622.92 = 783,422,481.84 : x
  2. Step 2: Convert to fraction form
    1,529,878,191.12/2,295,285,622.92 = 783,422,481.84/x
  3. Step 3: Cross multiply
    1,529,878,191.12x = 2,295,285,622.92 × 783,422,481.84
  4. Step 4: Simplify right side
    1,529,878,191.12x = 1,798,178,359,239,656,960
  5. Step 5: Solve for x
    x = 1,798,178,359,239,656,960/1,529,878,191.12
  6. Step 6: Final answer
    x = 1,175,373,549.13

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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.