Home / 522,137,996.18-783,296,222.42-215,262,355.22

Finding the Fourth Proportional to 522,137,996.18, 783,296,222.42 and 215,262,355.22

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Solution

The fourth proportional to 522,137,996.18, 783,296,222.42 and 215,262,355.22 is: 322,930,319.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,137,996.18 : 783,296,222.42 = 215,262,355.22 : x
  2. Step 2: Convert to fraction form
    522,137,996.18/783,296,222.42 = 215,262,355.22/x
  3. Step 3: Cross multiply
    522,137,996.18x = 783,296,222.42 × 215,262,355.22
  4. Step 4: Simplify right side
    522,137,996.18x = 168,614,189,669,679,840
  5. Step 5: Solve for x
    x = 168,614,189,669,679,840/522,137,996.18
  6. Step 6: Final answer
    x = 322,930,319.01

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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.