Home / 525,450,878.80-788,176,318.20-331,959,115.60

Finding the Fourth Proportional to 525,450,878.80, 788,176,318.20 and 331,959,115.60

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Solution

The fourth proportional to 525,450,878.80, 788,176,318.20 and 331,959,115.60 is: 497,938,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,450,878.80 : 788,176,318.20 = 331,959,115.60 : x
  2. Step 2: Convert to fraction form
    525,450,878.80/788,176,318.20 = 331,959,115.60/x
  3. Step 3: Cross multiply
    525,450,878.80x = 788,176,318.20 × 331,959,115.60
  4. Step 4: Simplify right side
    525,450,878.80x = 261,642,313,526,536,224
  5. Step 5: Solve for x
    x = 261,642,313,526,536,224/525,450,878.80
  6. Step 6: Final answer
    x = 497,938,673.40

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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.