Home / 525,557,247.73-788,414,260.03-193,538,728.72

Finding the Fourth Proportional to 525,557,247.73, 788,414,260.03 and 193,538,728.72

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Solution

The fourth proportional to 525,557,247.73, 788,414,260.03 and 193,538,728.72 is: 290,336,959.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,557,247.73 : 788,414,260.03 = 193,538,728.72 : x
  2. Step 2: Convert to fraction form
    525,557,247.73/788,414,260.03 = 193,538,728.72/x
  3. Step 3: Cross multiply
    525,557,247.73x = 788,414,260.03 × 193,538,728.72
  4. Step 4: Simplify right side
    525,557,247.73x = 152,588,693,592,520,864
  5. Step 5: Solve for x
    x = 152,588,693,592,520,864/525,557,247.73
  6. Step 6: Final answer
    x = 290,336,959.96

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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.