Home / 1,265,400,961,845.20-1,746,398,191,857.80-709,356,270,868.25

Finding the Fourth Proportional to 1,265,400,961,845.20, 1,746,398,191,857.80 and 709,356,270,868.25

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Solution

The fourth proportional to 1,265,400,961,845.20, 1,746,398,191,857.80 and 709,356,270,868.25 is: 978,992,861,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,400,961,845.20 : 1,746,398,191,857.80 = 709,356,270,868.25 : x
  2. Step 2: Convert to fraction form
    1,265,400,961,845.20/1,746,398,191,857.80 = 709,356,270,868.25/x
  3. Step 3: Cross multiply
    1,265,400,961,845.20x = 1,746,398,191,857.80 × 709,356,270,868.25
  4. Step 4: Simplify right side
    1,265,400,961,845.20x = 1,238,818,508,827,303,560,085,504
  5. Step 5: Solve for x
    x = 1,238,818,508,827,303,560,085,504/1,265,400,961,845.20
  6. Step 6: Final answer
    x = 978,992,861,694.10

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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.