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Finding the Fourth Proportional to 611,959,838.40, 844,479,950.40 and 333,495,349.20

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Solution

The fourth proportional to 611,959,838.40, 844,479,950.40 and 333,495,349.20 is: 460,210,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,959,838.40 : 844,479,950.40 = 333,495,349.20 : x
  2. Step 2: Convert to fraction form
    611,959,838.40/844,479,950.40 = 333,495,349.20/x
  3. Step 3: Cross multiply
    611,959,838.40x = 844,479,950.40 × 333,495,349.20
  4. Step 4: Simplify right side
    611,959,838.40x = 281,630,135,951,046,656
  5. Step 5: Solve for x
    x = 281,630,135,951,046,656/611,959,838.40
  6. Step 6: Final answer
    x = 460,210,161.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.