Home / 480,311,057.26-720,482,534.51-165,173,994.59

Finding the Fourth Proportional to 480,311,057.26, 720,482,534.51 and 165,173,994.59

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Solution

The fourth proportional to 480,311,057.26, 720,482,534.51 and 165,173,994.59 is: 247,766,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,311,057.26 : 720,482,534.51 = 165,173,994.59 : x
  2. Step 2: Convert to fraction form
    480,311,057.26/720,482,534.51 = 165,173,994.59/x
  3. Step 3: Cross multiply
    480,311,057.26x = 720,482,534.51 × 165,173,994.59
  4. Step 4: Simplify right side
    480,311,057.26x = 119,004,978,257,344,224
  5. Step 5: Solve for x
    x = 119,004,978,257,344,224/480,311,057.26
  6. Step 6: Final answer
    x = 247,766,476.45

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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.