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Finding the Fourth Proportional to 713,654,333.76, 983,008,017.36 and 504,450,812.64

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Solution

The fourth proportional to 713,654,333.76, 983,008,017.36 and 504,450,812.64 is: 694,845,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,654,333.76 : 983,008,017.36 = 504,450,812.64 : x
  2. Step 2: Convert to fraction form
    713,654,333.76/983,008,017.36 = 504,450,812.64/x
  3. Step 3: Cross multiply
    713,654,333.76x = 983,008,017.36 × 504,450,812.64
  4. Step 4: Simplify right side
    713,654,333.76x = 495,879,193,188,887,232
  5. Step 5: Solve for x
    x = 495,879,193,188,887,232/713,654,333.76
  6. Step 6: Final answer
    x = 694,845,066.77

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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.