Home / 705,251,015.20-1,057,876,522.80-187,733,769.40

Finding the Fourth Proportional to 705,251,015.20, 1,057,876,522.80 and 187,733,769.40

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Solution

The fourth proportional to 705,251,015.20, 1,057,876,522.80 and 187,733,769.40 is: 281,600,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251,015.20 : 1,057,876,522.80 = 187,733,769.40 : x
  2. Step 2: Convert to fraction form
    705,251,015.20/1,057,876,522.80 = 187,733,769.40/x
  3. Step 3: Cross multiply
    705,251,015.20x = 1,057,876,522.80 × 187,733,769.40
  4. Step 4: Simplify right side
    705,251,015.20x = 198,599,147,185,009,024
  5. Step 5: Solve for x
    x = 198,599,147,185,009,024/705,251,015.20
  6. Step 6: Final answer
    x = 281,600,654.10

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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.