Home / 525,453,763.26-725,005,924.92-313,719,460.32

Finding the Fourth Proportional to 525,453,763.26, 725,005,924.92 and 313,719,460.32

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Solution

The fourth proportional to 525,453,763.26, 725,005,924.92 and 313,719,460.32 is: 432,861,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453,763.26 : 725,005,924.92 = 313,719,460.32 : x
  2. Step 2: Convert to fraction form
    525,453,763.26/725,005,924.92 = 313,719,460.32/x
  3. Step 3: Cross multiply
    525,453,763.26x = 725,005,924.92 × 313,719,460.32
  4. Step 4: Simplify right side
    525,453,763.26x = 227,448,467,494,704,832
  5. Step 5: Solve for x
    x = 227,448,467,494,704,832/525,453,763.26
  6. Step 6: Final answer
    x = 432,861,049.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.