Home / 708,968,234.22-1,063,610,456.85-217,731,079.39

Finding the Fourth Proportional to 708,968,234.22, 1,063,610,456.85 and 217,731,079.39

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Solution

The fourth proportional to 708,968,234.22, 1,063,610,456.85 and 217,731,079.39 is: 326,645,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,968,234.22 : 1,063,610,456.85 = 217,731,079.39 : x
  2. Step 2: Convert to fraction form
    708,968,234.22/1,063,610,456.85 = 217,731,079.39/x
  3. Step 3: Cross multiply
    708,968,234.22x = 1,063,610,456.85 × 217,731,079.39
  4. Step 4: Simplify right side
    708,968,234.22x = 231,581,052,820,441,504
  5. Step 5: Solve for x
    x = 231,581,052,820,441,504/708,968,234.22
  6. Step 6: Final answer
    x = 326,645,174.84

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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.