Home / 452,198,992.83-678,137,968.29-132,676,381.83

Finding the Fourth Proportional to 452,198,992.83, 678,137,968.29 and 132,676,381.83

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Solution

The fourth proportional to 452,198,992.83, 678,137,968.29 and 132,676,381.83 is: 198,967,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,198,992.83 : 678,137,968.29 = 132,676,381.83 : x
  2. Step 2: Convert to fraction form
    452,198,992.83/678,137,968.29 = 132,676,381.83/x
  3. Step 3: Cross multiply
    452,198,992.83x = 678,137,968.29 × 132,676,381.83
  4. Step 4: Simplify right side
    452,198,992.83x = 89,972,892,014,264,464
  5. Step 5: Solve for x
    x = 89,972,892,014,264,464/452,198,992.83
  6. Step 6: Final answer
    x = 198,967,475.47

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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.