Home / 629,875,359.40-944,813,039.10-220,972,844.20

Finding the Fourth Proportional to 629,875,359.40, 944,813,039.10 and 220,972,844.20

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Solution

The fourth proportional to 629,875,359.40, 944,813,039.10 and 220,972,844.20 is: 331,459,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,875,359.40 : 944,813,039.10 = 220,972,844.20 : x
  2. Step 2: Convert to fraction form
    629,875,359.40/944,813,039.10 = 220,972,844.20/x
  3. Step 3: Cross multiply
    629,875,359.40x = 944,813,039.10 × 220,972,844.20
  4. Step 4: Simplify right side
    629,875,359.40x = 208,778,024,487,172,800
  5. Step 5: Solve for x
    x = 208,778,024,487,172,800/629,875,359.40
  6. Step 6: Final answer
    x = 331,459,266.30

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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.