Home / 754,819,762.66-1,131,850,764.54-439,787,762.58

Finding the Fourth Proportional to 754,819,762.66, 1,131,850,764.54 and 439,787,762.58

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Solution

The fourth proportional to 754,819,762.66, 1,131,850,764.54 and 439,787,762.58 is: 659,460,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,819,762.66 : 1,131,850,764.54 = 439,787,762.58 : x
  2. Step 2: Convert to fraction form
    754,819,762.66/1,131,850,764.54 = 439,787,762.58/x
  3. Step 3: Cross multiply
    754,819,762.66x = 1,131,850,764.54 × 439,787,762.58
  4. Step 4: Simplify right side
    754,819,762.66x = 497,774,115,311,508,992
  5. Step 5: Solve for x
    x = 497,774,115,311,508,992/754,819,762.66
  6. Step 6: Final answer
    x = 659,460,893.76

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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.