Home / 373,832,562.29-515,918,344.07-212,903,350.36

Finding the Fourth Proportional to 373,832,562.29, 515,918,344.07 and 212,903,350.36

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Solution

The fourth proportional to 373,832,562.29, 515,918,344.07 and 212,903,350.36 is: 293,823,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,832,562.29 : 515,918,344.07 = 212,903,350.36 : x
  2. Step 2: Convert to fraction form
    373,832,562.29/515,918,344.07 = 212,903,350.36/x
  3. Step 3: Cross multiply
    373,832,562.29x = 515,918,344.07 × 212,903,350.36
  4. Step 4: Simplify right side
    373,832,562.29x = 109,840,743,964,470,416
  5. Step 5: Solve for x
    x = 109,840,743,964,470,416/373,832,562.29
  6. Step 6: Final answer
    x = 293,823,371.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.