Home / 747,014,748.90-1,120,522,123.35-262,340,556.90

Finding the Fourth Proportional to 747,014,748.90, 1,120,522,123.35 and 262,340,556.90

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Solution

The fourth proportional to 747,014,748.90, 1,120,522,123.35 and 262,340,556.90 is: 393,510,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,014,748.90 : 1,120,522,123.35 = 262,340,556.90 : x
  2. Step 2: Convert to fraction form
    747,014,748.90/1,120,522,123.35 = 262,340,556.90/x
  3. Step 3: Cross multiply
    747,014,748.90x = 1,120,522,123.35 × 262,340,556.90
  4. Step 4: Simplify right side
    747,014,748.90x = 293,958,397,858,409,472
  5. Step 5: Solve for x
    x = 293,958,397,858,409,472/747,014,748.90
  6. Step 6: Final answer
    x = 393,510,835.35

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Double scale
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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.