Home / 754,819,767.92-1,131,850,772.42-439,787,767.83

Finding the Fourth Proportional to 754,819,767.92, 1,131,850,772.42 and 439,787,767.83

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Solution

The fourth proportional to 754,819,767.92, 1,131,850,772.42 and 439,787,767.83 is: 659,460,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,819,767.92 : 1,131,850,772.42 = 439,787,767.83 : x
  2. Step 2: Convert to fraction form
    754,819,767.92/1,131,850,772.42 = 439,787,767.83/x
  3. Step 3: Cross multiply
    754,819,767.92x = 1,131,850,772.42 × 439,787,767.83
  4. Step 4: Simplify right side
    754,819,767.92x = 497,774,124,717,054,144
  5. Step 5: Solve for x
    x = 497,774,124,717,054,144/754,819,767.92
  6. Step 6: Final answer
    x = 659,460,901.63

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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.