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Finding the Fourth Proportional to 681,816,483.99, 940,906,342.08 and 368,550,702.27

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Solution

The fourth proportional to 681,816,483.99, 940,906,342.08 and 368,550,702.27 is: 508,599,749.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,816,483.99 : 940,906,342.08 = 368,550,702.27 : x
  2. Step 2: Convert to fraction form
    681,816,483.99/940,906,342.08 = 368,550,702.27/x
  3. Step 3: Cross multiply
    681,816,483.99x = 940,906,342.08 × 368,550,702.27
  4. Step 4: Simplify right side
    681,816,483.99x = 346,771,693,143,880,832
  5. Step 5: Solve for x
    x = 346,771,693,143,880,832/681,816,483.99
  6. Step 6: Final answer
    x = 508,599,749.77

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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.