Home / 2,685,321,000.70-4,027,981,501.05-1,959,726,888.70

Finding the Fourth Proportional to 2,685,321,000.70, 4,027,981,501.05 and 1,959,726,888.70

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Solution

The fourth proportional to 2,685,321,000.70, 4,027,981,501.05 and 1,959,726,888.70 is: 2,939,590,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,321,000.70 : 4,027,981,501.05 = 1,959,726,888.70 : x
  2. Step 2: Convert to fraction form
    2,685,321,000.70/4,027,981,501.05 = 1,959,726,888.70/x
  3. Step 3: Cross multiply
    2,685,321,000.70x = 4,027,981,501.05 × 1,959,726,888.70
  4. Step 4: Simplify right side
    2,685,321,000.70x = 7,893,743,654,793,872,384
  5. Step 5: Solve for x
    x = 7,893,743,654,793,872,384/2,685,321,000.70
  6. Step 6: Final answer
    x = 2,939,590,333.05

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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.