Home / 290,496,005.80-435,744,008.70-268,325,074.60

Finding the Fourth Proportional to 290,496,005.80, 435,744,008.70 and 268,325,074.60

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Solution

The fourth proportional to 290,496,005.80, 435,744,008.70 and 268,325,074.60 is: 402,487,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,496,005.80 : 435,744,008.70 = 268,325,074.60 : x
  2. Step 2: Convert to fraction form
    290,496,005.80/435,744,008.70 = 268,325,074.60/x
  3. Step 3: Cross multiply
    290,496,005.80x = 435,744,008.70 × 268,325,074.60
  4. Step 4: Simplify right side
    290,496,005.80x = 116,921,043,640,930,544
  5. Step 5: Solve for x
    x = 116,921,043,640,930,544/290,496,005.80
  6. Step 6: Final answer
    x = 402,487,611.90

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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.