Home / 525,452,972.80-788,179,459.20-331,961,209.60

Finding the Fourth Proportional to 525,452,972.80, 788,179,459.20 and 331,961,209.60

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Solution

The fourth proportional to 525,452,972.80, 788,179,459.20 and 331,961,209.60 is: 497,941,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,452,972.80 : 788,179,459.20 = 331,961,209.60 : x
  2. Step 2: Convert to fraction form
    525,452,972.80/788,179,459.20 = 331,961,209.60/x
  3. Step 3: Cross multiply
    525,452,972.80x = 788,179,459.20 × 331,961,209.60
  4. Step 4: Simplify right side
    525,452,972.80x = 261,645,006,657,905,888
  5. Step 5: Solve for x
    x = 261,645,006,657,905,888/525,452,972.80
  6. Step 6: Final answer
    x = 497,941,814.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.