Home / 358,751,011.80-538,126,517.70-294,127,786.20

Finding the Fourth Proportional to 358,751,011.80, 538,126,517.70 and 294,127,786.20

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Solution

The fourth proportional to 358,751,011.80, 538,126,517.70 and 294,127,786.20 is: 441,191,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,751,011.80 : 538,126,517.70 = 294,127,786.20 : x
  2. Step 2: Convert to fraction form
    358,751,011.80/538,126,517.70 = 294,127,786.20/x
  3. Step 3: Cross multiply
    358,751,011.80x = 538,126,517.70 × 294,127,786.20
  4. Step 4: Simplify right side
    358,751,011.80x = 158,277,961,346,616,128
  5. Step 5: Solve for x
    x = 158,277,961,346,616,128/358,751,011.80
  6. Step 6: Final answer
    x = 441,191,679.30

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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.