Home / 754,819,753.73-1,131,850,751.21-439,787,753.67

Finding the Fourth Proportional to 754,819,753.73, 1,131,850,751.21 and 439,787,753.67

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Solution

The fourth proportional to 754,819,753.73, 1,131,850,751.21 and 439,787,753.67 is: 659,460,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,819,753.73 : 1,131,850,751.21 = 439,787,753.67 : x
  2. Step 2: Convert to fraction form
    754,819,753.73/1,131,850,751.21 = 439,787,753.67/x
  3. Step 3: Cross multiply
    754,819,753.73x = 1,131,850,751.21 × 439,787,753.67
  4. Step 4: Simplify right side
    754,819,753.73x = 497,774,099,368,064,640
  5. Step 5: Solve for x
    x = 497,774,099,368,064,640/754,819,753.73
  6. Step 6: Final answer
    x = 659,460,880.44

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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.