Home / 344,942,712.12-517,384,920.78-111,768,488.76

Finding the Fourth Proportional to 344,942,712.12, 517,384,920.78 and 111,768,488.76

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Solution

The fourth proportional to 344,942,712.12, 517,384,920.78 and 111,768,488.76 is: 167,643,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,942,712.12 : 517,384,920.78 = 111,768,488.76 : x
  2. Step 2: Convert to fraction form
    344,942,712.12/517,384,920.78 = 111,768,488.76/x
  3. Step 3: Cross multiply
    344,942,712.12x = 517,384,920.78 × 111,768,488.76
  4. Step 4: Simplify right side
    344,942,712.12x = 57,827,330,702,792,920
  5. Step 5: Solve for x
    x = 57,827,330,702,792,920/344,942,712.12
  6. Step 6: Final answer
    x = 167,643,288.79

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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.