Home / 525,452,124.80-788,178,187.20-331,960,361.60

Finding the Fourth Proportional to 525,452,124.80, 788,178,187.20 and 331,960,361.60

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Solution

The fourth proportional to 525,452,124.80, 788,178,187.20 and 331,960,361.60 is: 497,940,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,452,124.80 : 788,178,187.20 = 331,960,361.60 : x
  2. Step 2: Convert to fraction form
    525,452,124.80/788,178,187.20 = 331,960,361.60/x
  3. Step 3: Cross multiply
    525,452,124.80x = 788,178,187.20 × 331,960,361.60
  4. Step 4: Simplify right side
    525,452,124.80x = 261,643,916,028,144,512
  5. Step 5: Solve for x
    x = 261,643,916,028,144,512/525,452,124.80
  6. Step 6: Final answer
    x = 497,940,542.40

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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.