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Finding the Fourth Proportional to 903,796,503.40, 1,355,694,755.10 and 903,796,503.40

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Solution

The fourth proportional to 903,796,503.40, 1,355,694,755.10 and 903,796,503.40 is: 1,355,694,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,796,503.40 : 1,355,694,755.10 = 903,796,503.40 : x
  2. Step 2: Convert to fraction form
    903,796,503.40/1,355,694,755.10 = 903,796,503.40/x
  3. Step 3: Cross multiply
    903,796,503.40x = 1,355,694,755.10 × 903,796,503.40
  4. Step 4: Simplify right side
    903,796,503.40x = 1,225,272,179,337,099,264
  5. Step 5: Solve for x
    x = 1,225,272,179,337,099,264/903,796,503.40
  6. Step 6: Final answer
    x = 1,355,694,755.10

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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.