Home / 302,876,798.06-417,969,982.12-163,647,559.82

Finding the Fourth Proportional to 302,876,798.06, 417,969,982.12 and 163,647,559.82

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Solution

The fourth proportional to 302,876,798.06, 417,969,982.12 and 163,647,559.82 is: 225,833,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,876,798.06 : 417,969,982.12 = 163,647,559.82 : x
  2. Step 2: Convert to fraction form
    302,876,798.06/417,969,982.12 = 163,647,559.82/x
  3. Step 3: Cross multiply
    302,876,798.06x = 417,969,982.12 × 163,647,559.82
  4. Step 4: Simplify right side
    302,876,798.06x = 68,399,767,649,448,064
  5. Step 5: Solve for x
    x = 68,399,767,649,448,064/302,876,798.06
  6. Step 6: Final answer
    x = 225,833,632.98

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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.