Home / 449,129,036.35-673,934,736.92-186,994,549.32

Finding the Fourth Proportional to 449,129,036.35, 673,934,736.92 and 186,994,549.32

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Solution

The fourth proportional to 449,129,036.35, 673,934,736.92 and 186,994,549.32 is: 280,592,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,129,036.35 : 673,934,736.92 = 186,994,549.32 : x
  2. Step 2: Convert to fraction form
    449,129,036.35/673,934,736.92 = 186,994,549.32/x
  3. Step 3: Cross multiply
    449,129,036.35x = 673,934,736.92 × 186,994,549.32
  4. Step 4: Simplify right side
    449,129,036.35x = 126,022,122,401,448,160
  5. Step 5: Solve for x
    x = 126,022,122,401,448,160/449,129,036.35
  6. Step 6: Final answer
    x = 280,592,240.10

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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.