Home / 820,119,171,215.15-1,230,178,756,822.80-820,119,171,215.15

Finding the Fourth Proportional to 820,119,171,215.15, 1,230,178,756,822.80 and 820,119,171,215.15

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Solution

The fourth proportional to 820,119,171,215.15, 1,230,178,756,822.80 and 820,119,171,215.15 is: 1,230,178,756,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,119,171,215.15 : 1,230,178,756,822.80 = 820,119,171,215.15 : x
  2. Step 2: Convert to fraction form
    820,119,171,215.15/1,230,178,756,822.80 = 820,119,171,215.15/x
  3. Step 3: Cross multiply
    820,119,171,215.15x = 1,230,178,756,822.80 × 820,119,171,215.15
  4. Step 4: Simplify right side
    820,119,171,215.15x = 1,008,893,182,491,998,386,388,992
  5. Step 5: Solve for x
    x = 1,008,893,182,491,998,386,388,992/820,119,171,215.15
  6. Step 6: Final answer
    x = 1,230,178,756,822.80

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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.