Home / 491,110,738.20-736,666,107.30-245,505,280.05

Finding the Fourth Proportional to 491,110,738.20, 736,666,107.30 and 245,505,280.05

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Solution

The fourth proportional to 491,110,738.20, 736,666,107.30 and 245,505,280.05 is: 368,257,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,738.20 : 736,666,107.30 = 245,505,280.05 : x
  2. Step 2: Convert to fraction form
    491,110,738.20/736,666,107.30 = 245,505,280.05/x
  3. Step 3: Cross multiply
    491,110,738.20x = 736,666,107.30 × 245,505,280.05
  4. Step 4: Simplify right side
    491,110,738.20x = 180,855,418,976,029,856
  5. Step 5: Solve for x
    x = 180,855,418,976,029,856/491,110,738.20
  6. Step 6: Final answer
    x = 368,257,920.08

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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.