Home / 386,177,816.77-532,943,606.60-218,917,319.76

Finding the Fourth Proportional to 386,177,816.77, 532,943,606.60 and 218,917,319.76

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Solution

The fourth proportional to 386,177,816.77, 532,943,606.60 and 218,917,319.76 is: 302,116,229.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,177,816.77 : 532,943,606.60 = 218,917,319.76 : x
  2. Step 2: Convert to fraction form
    386,177,816.77/532,943,606.60 = 218,917,319.76/x
  3. Step 3: Cross multiply
    386,177,816.77x = 532,943,606.60 × 218,917,319.76
  4. Step 4: Simplify right side
    386,177,816.77x = 116,670,585,939,826,192
  5. Step 5: Solve for x
    x = 116,670,585,939,826,192/386,177,816.77
  6. Step 6: Final answer
    x = 302,116,229.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.