Home / 290,325,132.80-435,487,699.20-193,579,251.20

Finding the Fourth Proportional to 290,325,132.80, 435,487,699.20 and 193,579,251.20

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Solution

The fourth proportional to 290,325,132.80, 435,487,699.20 and 193,579,251.20 is: 290,368,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,325,132.80 : 435,487,699.20 = 193,579,251.20 : x
  2. Step 2: Convert to fraction form
    290,325,132.80/435,487,699.20 = 193,579,251.20/x
  3. Step 3: Cross multiply
    290,325,132.80x = 435,487,699.20 × 193,579,251.20
  4. Step 4: Simplify right side
    290,325,132.80x = 84,301,382,717,946,832
  5. Step 5: Solve for x
    x = 84,301,382,717,946,832/290,325,132.80
  6. Step 6: Final answer
    x = 290,368,876.80

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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.