Home / 432,037,716.48-647,983,480.52-121,073,763.69

Finding the Fourth Proportional to 432,037,716.48, 647,983,480.52 and 121,073,763.69

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Solution

The fourth proportional to 432,037,716.48, 647,983,480.52 and 121,073,763.69 is: 181,590,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,037,716.48 : 647,983,480.52 = 121,073,763.69 : x
  2. Step 2: Convert to fraction form
    432,037,716.48/647,983,480.52 = 121,073,763.69/x
  3. Step 3: Cross multiply
    432,037,716.48x = 647,983,480.52 × 121,073,763.69
  4. Step 4: Simplify right side
    432,037,716.48x = 78,453,798,794,896,832
  5. Step 5: Solve for x
    x = 78,453,798,794,896,832/432,037,716.48
  6. Step 6: Final answer
    x = 181,590,161.70

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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.