Home / 533,876,429.30-800,814,643.95-419,214,643.70

Finding the Fourth Proportional to 533,876,429.30, 800,814,643.95 and 419,214,643.70

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Solution

The fourth proportional to 533,876,429.30, 800,814,643.95 and 419,214,643.70 is: 628,821,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,876,429.30 : 800,814,643.95 = 419,214,643.70 : x
  2. Step 2: Convert to fraction form
    533,876,429.30/800,814,643.95 = 419,214,643.70/x
  3. Step 3: Cross multiply
    533,876,429.30x = 800,814,643.95 × 419,214,643.70
  4. Step 4: Simplify right side
    533,876,429.30x = 335,713,225,633,241,600
  5. Step 5: Solve for x
    x = 335,713,225,633,241,600/533,876,429.30
  6. Step 6: Final answer
    x = 628,821,965.55

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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.