Home / 302,876,798.56-417,969,982.81-163,647,560.32

Finding the Fourth Proportional to 302,876,798.56, 417,969,982.81 and 163,647,560.32

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Solution

The fourth proportional to 302,876,798.56, 417,969,982.81 and 163,647,560.32 is: 225,833,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,876,798.56 : 417,969,982.81 = 163,647,560.32 : x
  2. Step 2: Convert to fraction form
    302,876,798.56/417,969,982.81 = 163,647,560.32/x
  3. Step 3: Cross multiply
    302,876,798.56x = 417,969,982.81 × 163,647,560.32
  4. Step 4: Simplify right side
    302,876,798.56x = 68,399,767,971,758,984
  5. Step 5: Solve for x
    x = 68,399,767,971,758,984/302,876,798.56
  6. Step 6: Final answer
    x = 225,833,633.67

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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.