Home / 432,410,767.17-648,726,756.81-125,702,880.04

Finding the Fourth Proportional to 432,410,767.17, 648,726,756.81 and 125,702,880.04

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Solution

The fourth proportional to 432,410,767.17, 648,726,756.81 and 125,702,880.04 is: 188,586,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,410,767.17 : 648,726,756.81 = 125,702,880.04 : x
  2. Step 2: Convert to fraction form
    432,410,767.17/648,726,756.81 = 125,702,880.04/x
  3. Step 3: Cross multiply
    432,410,767.17x = 648,726,756.81 × 125,702,880.04
  4. Step 4: Simplify right side
    432,410,767.17x = 81,546,821,690,366,464
  5. Step 5: Solve for x
    x = 81,546,821,690,366,464/432,410,767.17
  6. Step 6: Final answer
    x = 188,586,473.52

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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.