Home / 1,131,777,408.90-1,694,264,890.95-671,478,644.10

Finding the Fourth Proportional to 1,131,777,408.90, 1,694,264,890.95 and 671,478,644.10

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Solution

The fourth proportional to 1,131,777,408.90, 1,694,264,890.95 and 671,478,644.10 is: 1,005,200,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,777,408.90 : 1,694,264,890.95 = 671,478,644.10 : x
  2. Step 2: Convert to fraction form
    1,131,777,408.90/1,694,264,890.95 = 671,478,644.10/x
  3. Step 3: Cross multiply
    1,131,777,408.90x = 1,694,264,890.95 × 671,478,644.10
  4. Step 4: Simplify right side
    1,131,777,408.90x = 1,137,662,691,721,340,416
  5. Step 5: Solve for x
    x = 1,137,662,691,721,340,416/1,131,777,408.90
  6. Step 6: Final answer
    x = 1,005,200,035.60

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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.