Home / 820,119,171,208.90-1,230,178,756,813.40-820,119,171,208.90

Finding the Fourth Proportional to 820,119,171,208.90, 1,230,178,756,813.40 and 820,119,171,208.90

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Solution

The fourth proportional to 820,119,171,208.90, 1,230,178,756,813.40 and 820,119,171,208.90 is: 1,230,178,756,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,119,171,208.90 : 1,230,178,756,813.40 = 820,119,171,208.90 : x
  2. Step 2: Convert to fraction form
    820,119,171,208.90/1,230,178,756,813.40 = 820,119,171,208.90/x
  3. Step 3: Cross multiply
    820,119,171,208.90x = 1,230,178,756,813.40 × 820,119,171,208.90
  4. Step 4: Simplify right side
    820,119,171,208.90x = 1,008,893,182,476,600,525,979,648
  5. Step 5: Solve for x
    x = 1,008,893,182,476,600,525,979,648/820,119,171,208.90
  6. Step 6: Final answer
    x = 1,230,178,756,813.40

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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.