Home / 491,110,763.70-736,666,145.55-245,505,305.55

Finding the Fourth Proportional to 491,110,763.70, 736,666,145.55 and 245,505,305.55

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Solution

The fourth proportional to 491,110,763.70, 736,666,145.55 and 245,505,305.55 is: 368,257,958.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,763.70 : 736,666,145.55 = 245,505,305.55 : x
  2. Step 2: Convert to fraction form
    491,110,763.70/736,666,145.55 = 245,505,305.55/x
  3. Step 3: Cross multiply
    491,110,763.70x = 736,666,145.55 × 245,505,305.55
  4. Step 4: Simplify right side
    491,110,763.70x = 180,855,447,151,593,504
  5. Step 5: Solve for x
    x = 180,855,447,151,593,504/491,110,763.70
  6. Step 6: Final answer
    x = 368,257,958.33

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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.