Home / 432,322,350.13-648,550,709.83-145,175,198.77

Finding the Fourth Proportional to 432,322,350.13, 648,550,709.83 and 145,175,198.77

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Solution

The fourth proportional to 432,322,350.13, 648,550,709.83 and 145,175,198.77 is: 217,785,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,322,350.13 : 648,550,709.83 = 145,175,198.77 : x
  2. Step 2: Convert to fraction form
    432,322,350.13/648,550,709.83 = 145,175,198.77/x
  3. Step 3: Cross multiply
    432,322,350.13x = 648,550,709.83 × 145,175,198.77
  4. Step 4: Simplify right side
    432,322,350.13x = 94,153,478,211,994,864
  5. Step 5: Solve for x
    x = 94,153,478,211,994,864/432,322,350.13
  6. Step 6: Final answer
    x = 217,785,358.97

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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.