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Finding the Fourth Proportional to 702,141,003.70, 968,952,166.46 and 404,781,828.06

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Solution

The fourth proportional to 702,141,003.70, 968,952,166.46 and 404,781,828.06 is: 558,597,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,141,003.70 : 968,952,166.46 = 404,781,828.06 : x
  2. Step 2: Convert to fraction form
    702,141,003.70/968,952,166.46 = 404,781,828.06/x
  3. Step 3: Cross multiply
    702,141,003.70x = 968,952,166.46 × 404,781,828.06
  4. Step 4: Simplify right side
    702,141,003.70x = 392,214,229,242,376,256
  5. Step 5: Solve for x
    x = 392,214,229,242,376,256/702,141,003.70
  6. Step 6: Final answer
    x = 558,597,528.38

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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.