Home / 811,190,617,384.10-1,216,785,926,076.10-776,797,456,475.30

Finding the Fourth Proportional to 811,190,617,384.10, 1,216,785,926,076.10 and 776,797,456,475.30

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Solution

The fourth proportional to 811,190,617,384.10, 1,216,785,926,076.10 and 776,797,456,475.30 is: 1,165,196,184,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,190,617,384.10 : 1,216,785,926,076.10 = 776,797,456,475.30 : x
  2. Step 2: Convert to fraction form
    811,190,617,384.10/1,216,785,926,076.10 = 776,797,456,475.30/x
  3. Step 3: Cross multiply
    811,190,617,384.10x = 1,216,785,926,076.10 × 776,797,456,475.30
  4. Step 4: Simplify right side
    811,190,617,384.10x = 945,196,212,450,857,052,012,544
  5. Step 5: Solve for x
    x = 945,196,212,450,857,052,012,544/811,190,617,384.10
  6. Step 6: Final answer
    x = 1,165,196,184,712.90

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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.