Home / 376,465,754.40-519,584,380.74-313,642,232.16

Finding the Fourth Proportional to 376,465,754.40, 519,584,380.74 and 313,642,232.16

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Solution

The fourth proportional to 376,465,754.40, 519,584,380.74 and 313,642,232.16 is: 432,877,633.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,465,754.40 : 519,584,380.74 = 313,642,232.16 : x
  2. Step 2: Convert to fraction form
    376,465,754.40/519,584,380.74 = 313,642,232.16/x
  3. Step 3: Cross multiply
    376,465,754.40x = 519,584,380.74 × 313,642,232.16
  4. Step 4: Simplify right side
    376,465,754.40x = 162,963,604,970,764,928
  5. Step 5: Solve for x
    x = 162,963,604,970,764,928/376,465,754.40
  6. Step 6: Final answer
    x = 432,877,633.80

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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.