Home / 304,558,600,385.95-420,300,947,986.99-167,386,288,759.73

Finding the Fourth Proportional to 304,558,600,385.95, 420,300,947,986.99 and 167,386,288,759.73

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Solution

The fourth proportional to 304,558,600,385.95, 420,300,947,986.99 and 167,386,288,759.73 is: 230,998,618,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,558,600,385.95 : 420,300,947,986.99 = 167,386,288,759.73 : x
  2. Step 2: Convert to fraction form
    304,558,600,385.95/420,300,947,986.99 = 167,386,288,759.73/x
  3. Step 3: Cross multiply
    304,558,600,385.95x = 420,300,947,986.99 × 167,386,288,759.73
  4. Step 4: Simplify right side
    304,558,600,385.95x = 70,352,615,845,738,567,434,240
  5. Step 5: Solve for x
    x = 70,352,615,845,738,567,434,240/304,558,600,385.95
  6. Step 6: Final answer
    x = 230,998,618,185.74

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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.