Home / 1,192,312,380.69-1,788,662,843.76-352,040,062.70

Finding the Fourth Proportional to 1,192,312,380.69, 1,788,662,843.76 and 352,040,062.70

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Solution

The fourth proportional to 1,192,312,380.69, 1,788,662,843.76 and 352,040,062.70 is: 528,117,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,312,380.69 : 1,788,662,843.76 = 352,040,062.70 : x
  2. Step 2: Convert to fraction form
    1,192,312,380.69/1,788,662,843.76 = 352,040,062.70/x
  3. Step 3: Cross multiply
    1,192,312,380.69x = 1,788,662,843.76 × 352,040,062.70
  4. Step 4: Simplify right side
    1,192,312,380.69x = 629,680,979,657,487,360
  5. Step 5: Solve for x
    x = 629,680,979,657,487,360/1,192,312,380.69
  6. Step 6: Final answer
    x = 528,117,454.67

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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.