Home / 519,134,705.34-778,783,161.13-169,299,408.45

Finding the Fourth Proportional to 519,134,705.34, 778,783,161.13 and 169,299,408.45

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Solution

The fourth proportional to 519,134,705.34, 778,783,161.13 and 169,299,408.45 is: 253,975,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,134,705.34 : 778,783,161.13 = 169,299,408.45 : x
  2. Step 2: Convert to fraction form
    519,134,705.34/778,783,161.13 = 169,299,408.45/x
  3. Step 3: Cross multiply
    519,134,705.34x = 778,783,161.13 × 169,299,408.45
  4. Step 4: Simplify right side
    519,134,705.34x = 131,847,528,489,892,992
  5. Step 5: Solve for x
    x = 131,847,528,489,892,992/519,134,705.34
  6. Step 6: Final answer
    x = 253,975,561.90

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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.