Home / 618,932,453,430.51-928,822,759,619.25-216,015,923,623.61

Finding the Fourth Proportional to 618,932,453,430.51, 928,822,759,619.25 and 216,015,923,623.61

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Solution

The fourth proportional to 618,932,453,430.51, 928,822,759,619.25 and 216,015,923,623.61 is: 324,171,894,993.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,932,453,430.51 : 928,822,759,619.25 = 216,015,923,623.61 : x
  2. Step 2: Convert to fraction form
    618,932,453,430.51/928,822,759,619.25 = 216,015,923,623.61/x
  3. Step 3: Cross multiply
    618,932,453,430.51x = 928,822,759,619.25 × 216,015,923,623.61
  4. Step 4: Simplify right side
    618,932,453,430.51x = 200,640,506,301,782,566,109,184
  5. Step 5: Solve for x
    x = 200,640,506,301,782,566,109,184/618,932,453,430.51
  6. Step 6: Final answer
    x = 324,171,894,993.88

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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.