Home / 1,233,977,912.19-1,702,892,752.63-669,462,764.59

Finding the Fourth Proportional to 1,233,977,912.19, 1,702,892,752.63 and 669,462,764.59

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Solution

The fourth proportional to 1,233,977,912.19, 1,702,892,752.63 and 669,462,764.59 is: 923,860,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,977,912.19 : 1,702,892,752.63 = 669,462,764.59 : x
  2. Step 2: Convert to fraction form
    1,233,977,912.19/1,702,892,752.63 = 669,462,764.59/x
  3. Step 3: Cross multiply
    1,233,977,912.19x = 1,702,892,752.63 × 669,462,764.59
  4. Step 4: Simplify right side
    1,233,977,912.19x = 1,140,023,289,967,440,512
  5. Step 5: Solve for x
    x = 1,140,023,289,967,440,512/1,233,977,912.19
  6. Step 6: Final answer
    x = 923,860,369.55

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Double scale
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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.