Home / 221,670,768,920.49-332,327,217,108.63-203,778,095,443.23

Finding the Fourth Proportional to 221,670,768,920.49, 332,327,217,108.63 and 203,778,095,443.23

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Solution

The fourth proportional to 221,670,768,920.49, 332,327,217,108.63 and 203,778,095,443.23 is: 305,502,650,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,670,768,920.49 : 332,327,217,108.63 = 203,778,095,443.23 : x
  2. Step 2: Convert to fraction form
    221,670,768,920.49/332,327,217,108.63 = 203,778,095,443.23/x
  3. Step 3: Cross multiply
    221,670,768,920.49x = 332,327,217,108.63 × 203,778,095,443.23
  4. Step 4: Simplify right side
    221,670,768,920.49x = 67,721,007,366,345,427,255,296
  5. Step 5: Solve for x
    x = 67,721,007,366,345,427,255,296/221,670,768,920.49
  6. Step 6: Final answer
    x = 305,502,650,151.57

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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.