Home / 618,932,453,437.68-928,822,759,630.05-216,015,923,630.77

Finding the Fourth Proportional to 618,932,453,437.68, 928,822,759,630.05 and 216,015,923,630.77

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Solution

The fourth proportional to 618,932,453,437.68, 928,822,759,630.05 and 216,015,923,630.77 is: 324,171,895,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,932,453,437.68 : 928,822,759,630.05 = 216,015,923,630.77 : x
  2. Step 2: Convert to fraction form
    618,932,453,437.68/928,822,759,630.05 = 216,015,923,630.77/x
  3. Step 3: Cross multiply
    618,932,453,437.68x = 928,822,759,630.05 × 216,015,923,630.77
  4. Step 4: Simplify right side
    618,932,453,437.68x = 200,640,506,310,765,926,416,384
  5. Step 5: Solve for x
    x = 200,640,506,310,765,926,416,384/618,932,453,437.68
  6. Step 6: Final answer
    x = 324,171,895,004.64

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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.