Home / 1,019,933,718.30-1,529,900,577.45-330,335,876.70

Finding the Fourth Proportional to 1,019,933,718.30, 1,529,900,577.45 and 330,335,876.70

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Solution

The fourth proportional to 1,019,933,718.30, 1,529,900,577.45 and 330,335,876.70 is: 495,503,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,933,718.30 : 1,529,900,577.45 = 330,335,876.70 : x
  2. Step 2: Convert to fraction form
    1,019,933,718.30/1,529,900,577.45 = 330,335,876.70/x
  3. Step 3: Cross multiply
    1,019,933,718.30x = 1,529,900,577.45 × 330,335,876.70
  4. Step 4: Simplify right side
    1,019,933,718.30x = 505,381,048,515,782,016
  5. Step 5: Solve for x
    x = 505,381,048,515,782,016/1,019,933,718.30
  6. Step 6: Final answer
    x = 495,503,815.05

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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.