Home / 826,450,722.84-1,140,582,556.10-617,243,658.78

Finding the Fourth Proportional to 826,450,722.84, 1,140,582,556.10 and 617,243,658.78

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Solution

The fourth proportional to 826,450,722.84, 1,140,582,556.10 and 617,243,658.78 is: 851,856,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,450,722.84 : 1,140,582,556.10 = 617,243,658.78 : x
  2. Step 2: Convert to fraction form
    826,450,722.84/1,140,582,556.10 = 617,243,658.78/x
  3. Step 3: Cross multiply
    826,450,722.84x = 1,140,582,556.10 × 617,243,658.78
  4. Step 4: Simplify right side
    826,450,722.84x = 704,017,350,064,722,432
  5. Step 5: Solve for x
    x = 704,017,350,064,722,432/826,450,722.84
  6. Step 6: Final answer
    x = 851,856,415.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.