Home / 288,632,580.48-398,297,620.47-163,177,275.66

Finding the Fourth Proportional to 288,632,580.48, 398,297,620.47 and 163,177,275.66

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Solution

The fourth proportional to 288,632,580.48, 398,297,620.47 and 163,177,275.66 is: 225,175,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,632,580.48 : 398,297,620.47 = 163,177,275.66 : x
  2. Step 2: Convert to fraction form
    288,632,580.48/398,297,620.47 = 163,177,275.66/x
  3. Step 3: Cross multiply
    288,632,580.48x = 398,297,620.47 × 163,177,275.66
  4. Step 4: Simplify right side
    288,632,580.48x = 64,993,120,608,163,768
  5. Step 5: Solve for x
    x = 64,993,120,608,163,768/288,632,580.48
  6. Step 6: Final answer
    x = 225,175,967.66

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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.