Home / 290,693,736.96-436,222,136.64-193,717,490.88

Finding the Fourth Proportional to 290,693,736.96, 436,222,136.64 and 193,717,490.88

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Solution

The fourth proportional to 290,693,736.96, 436,222,136.64 and 193,717,490.88 is: 290,697,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,693,736.96 : 436,222,136.64 = 193,717,490.88 : x
  2. Step 2: Convert to fraction form
    290,693,736.96/436,222,136.64 = 193,717,490.88/x
  3. Step 3: Cross multiply
    290,693,736.96x = 436,222,136.64 × 193,717,490.88
  4. Step 4: Simplify right side
    290,693,736.96x = 84,503,857,776,213,312
  5. Step 5: Solve for x
    x = 84,503,857,776,213,312/290,693,736.96
  6. Step 6: Final answer
    x = 290,697,208.20

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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.