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Finding the Fourth Proportional to 898,848,880.40, 1,346,257,781.40 and 737,605,744.40

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Solution

The fourth proportional to 898,848,880.40, 1,346,257,781.40 and 737,605,744.40 is: 1,104,754,641.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,848,880.40 : 1,346,257,781.40 = 737,605,744.40 : x
  2. Step 2: Convert to fraction form
    898,848,880.40/1,346,257,781.40 = 737,605,744.40/x
  3. Step 3: Cross multiply
    898,848,880.40x = 1,346,257,781.40 × 737,605,744.40
  4. Step 4: Simplify right side
    898,848,880.40x = 993,007,473,003,839,488
  5. Step 5: Solve for x
    x = 993,007,473,003,839,488/898,848,880.40
  6. Step 6: Final answer
    x = 1,104,754,641.92

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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.