Home / 414,105,824,961.86-621,220,846,039.75-145,447,452,683.70

Finding the Fourth Proportional to 414,105,824,961.86, 621,220,846,039.75 and 145,447,452,683.70

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Solution

The fourth proportional to 414,105,824,961.86, 621,220,846,039.75 and 145,447,452,683.70 is: 218,192,993,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,961.86 : 621,220,846,039.75 = 145,447,452,683.70 : x
  2. Step 2: Convert to fraction form
    414,105,824,961.86/621,220,846,039.75 = 145,447,452,683.70/x
  3. Step 3: Cross multiply
    414,105,824,961.86x = 621,220,846,039.75 × 145,447,452,683.70
  4. Step 4: Simplify right side
    414,105,824,961.86x = 90,354,989,610,494,630,821,888
  5. Step 5: Solve for x
    x = 90,354,989,610,494,630,821,888/414,105,824,961.86
  6. Step 6: Final answer
    x = 218,192,993,587.61

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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.