Home / 674,352,021.30-1,011,556,025.55-214,277,205.30

Finding the Fourth Proportional to 674,352,021.30, 1,011,556,025.55 and 214,277,205.30

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Solution

The fourth proportional to 674,352,021.30, 1,011,556,025.55 and 214,277,205.30 is: 321,424,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,352,021.30 : 1,011,556,025.55 = 214,277,205.30 : x
  2. Step 2: Convert to fraction form
    674,352,021.30/1,011,556,025.55 = 214,277,205.30/x
  3. Step 3: Cross multiply
    674,352,021.30x = 1,011,556,025.55 × 214,277,205.30
  4. Step 4: Simplify right side
    674,352,021.30x = 216,753,398,159,229,408
  5. Step 5: Solve for x
    x = 216,753,398,159,229,408/674,352,021.30
  6. Step 6: Final answer
    x = 321,424,702.99

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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.