Home / 674,352,010.30-1,011,556,009.05-214,277,194.30

Finding the Fourth Proportional to 674,352,010.30, 1,011,556,009.05 and 214,277,194.30

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Solution

The fourth proportional to 674,352,010.30, 1,011,556,009.05 and 214,277,194.30 is: 321,424,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,352,010.30 : 1,011,556,009.05 = 214,277,194.30 : x
  2. Step 2: Convert to fraction form
    674,352,010.30/1,011,556,009.05 = 214,277,194.30/x
  3. Step 3: Cross multiply
    674,352,010.30x = 1,011,556,009.05 × 214,277,194.30
  4. Step 4: Simplify right side
    674,352,010.30x = 216,753,383,496,539,424
  5. Step 5: Solve for x
    x = 216,753,383,496,539,424/674,352,010.30
  6. Step 6: Final answer
    x = 321,424,686.49

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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.