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Finding the Fourth Proportional to 626,356,425.40, 937,743,047.70 and 626,356,425.40

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Solution

The fourth proportional to 626,356,425.40, 937,743,047.70 and 626,356,425.40 is: 937,743,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,356,425.40 : 937,743,047.70 = 626,356,425.40 : x
  2. Step 2: Convert to fraction form
    626,356,425.40/937,743,047.70 = 626,356,425.40/x
  3. Step 3: Cross multiply
    626,356,425.40x = 937,743,047.70 × 626,356,425.40
  4. Step 4: Simplify right side
    626,356,425.40x = 587,361,383,301,073,664
  5. Step 5: Solve for x
    x = 587,361,383,301,073,664/626,356,425.40
  6. Step 6: Final answer
    x = 937,743,047.70

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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.