Home / 304,558,600,390.26-420,300,947,992.97-167,386,288,764.05

Finding the Fourth Proportional to 304,558,600,390.26, 420,300,947,992.97 and 167,386,288,764.05

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Solution

The fourth proportional to 304,558,600,390.26, 420,300,947,992.97 and 167,386,288,764.05 is: 230,998,618,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,390.26 : 420,300,947,992.97 = 167,386,288,764.05 : x
  2. Step 2: Convert to fraction form
    304,558,600,390.26/420,300,947,992.97 = 167,386,288,764.05/x
  3. Step 3: Cross multiply
    304,558,600,390.26x = 420,300,947,992.97 × 167,386,288,764.05
  4. Step 4: Simplify right side
    304,558,600,390.26x = 70,352,615,848,555,227,119,616
  5. Step 5: Solve for x
    x = 70,352,615,848,555,227,119,616/304,558,600,390.26
  6. Step 6: Final answer
    x = 230,998,618,191.72

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1.5x scale

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.