Home / 525,627,458.12-788,552,199.30-198,096,039.56

Finding the Fourth Proportional to 525,627,458.12, 788,552,199.30 and 198,096,039.56

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Solution

The fourth proportional to 525,627,458.12, 788,552,199.30 and 198,096,039.56 is: 297,185,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,627,458.12 : 788,552,199.30 = 198,096,039.56 : x
  2. Step 2: Convert to fraction form
    525,627,458.12/788,552,199.30 = 198,096,039.56/x
  3. Step 3: Cross multiply
    525,627,458.12x = 788,552,199.30 × 198,096,039.56
  4. Step 4: Simplify right side
    525,627,458.12x = 156,209,067,667,657,792
  5. Step 5: Solve for x
    x = 156,209,067,667,657,792/525,627,458.12
  6. Step 6: Final answer
    x = 297,185,897.07

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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.