Home / 629,799,019.70-944,005,687.95-220,644,562.10

Finding the Fourth Proportional to 629,799,019.70, 944,005,687.95 and 220,644,562.10

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Solution

The fourth proportional to 629,799,019.70, 944,005,687.95 and 220,644,562.10 is: 330,724,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,799,019.70 : 944,005,687.95 = 220,644,562.10 : x
  2. Step 2: Convert to fraction form
    629,799,019.70/944,005,687.95 = 220,644,562.10/x
  3. Step 3: Cross multiply
    629,799,019.70x = 944,005,687.95 × 220,644,562.10
  4. Step 4: Simplify right side
    629,799,019.70x = 208,289,721,637,636,992
  5. Step 5: Solve for x
    x = 208,289,721,637,636,992/629,799,019.70
  6. Step 6: Final answer
    x = 330,724,112.17

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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.