Home / 432,322,347.75-648,550,706.27-145,175,196.39

Finding the Fourth Proportional to 432,322,347.75, 648,550,706.27 and 145,175,196.39

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Solution

The fourth proportional to 432,322,347.75, 648,550,706.27 and 145,175,196.39 is: 217,785,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,322,347.75 : 648,550,706.27 = 145,175,196.39 : x
  2. Step 2: Convert to fraction form
    432,322,347.75/648,550,706.27 = 145,175,196.39/x
  3. Step 3: Cross multiply
    432,322,347.75x = 648,550,706.27 × 145,175,196.39
  4. Step 4: Simplify right side
    432,322,347.75x = 94,153,476,150,894,560
  5. Step 5: Solve for x
    x = 94,153,476,150,894,560/432,322,347.75
  6. Step 6: Final answer
    x = 217,785,355.40

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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.