Home / 263,813,582.88-395,723,739.60-69,723,320.40

Finding the Fourth Proportional to 263,813,582.88, 395,723,739.60 and 69,723,320.40

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Solution

The fourth proportional to 263,813,582.88, 395,723,739.60 and 69,723,320.40 is: 104,585,870.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,813,582.88 : 395,723,739.60 = 69,723,320.40 : x
  2. Step 2: Convert to fraction form
    263,813,582.88/395,723,739.60 = 69,723,320.40/x
  3. Step 3: Cross multiply
    263,813,582.88x = 395,723,739.60 × 69,723,320.40
  4. Step 4: Simplify right side
    263,813,582.88x = 27,591,173,086,016,972
  5. Step 5: Solve for x
    x = 27,591,173,086,016,972/263,813,582.88
  6. Step 6: Final answer
    x = 104,585,870.01

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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.