Home / 1,260,107,031.80-1,889,593,677.30-483,494,583.80

Finding the Fourth Proportional to 1,260,107,031.80, 1,889,593,677.30 and 483,494,583.80

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Solution

The fourth proportional to 1,260,107,031.80, 1,889,593,677.30 and 483,494,583.80 is: 725,024,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,107,031.80 : 1,889,593,677.30 = 483,494,583.80 : x
  2. Step 2: Convert to fraction form
    1,260,107,031.80/1,889,593,677.30 = 483,494,583.80/x
  3. Step 3: Cross multiply
    1,260,107,031.80x = 1,889,593,677.30 × 483,494,583.80
  4. Step 4: Simplify right side
    1,260,107,031.80x = 913,608,308,557,275,008
  5. Step 5: Solve for x
    x = 913,608,308,557,275,008/1,260,107,031.80
  6. Step 6: Final answer
    x = 725,024,371.34

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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.