Home / 320,849,192,011.20-481,273,788,016.80-172,079,724,235.20

Finding the Fourth Proportional to 320,849,192,011.20, 481,273,788,016.80 and 172,079,724,235.20

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Solution

The fourth proportional to 320,849,192,011.20, 481,273,788,016.80 and 172,079,724,235.20 is: 258,119,586,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849,192,011.20 : 481,273,788,016.80 = 172,079,724,235.20 : x
  2. Step 2: Convert to fraction form
    320,849,192,011.20/481,273,788,016.80 = 172,079,724,235.20/x
  3. Step 3: Cross multiply
    320,849,192,011.20x = 481,273,788,016.80 × 172,079,724,235.20
  4. Step 4: Simplify right side
    320,849,192,011.20x = 82,817,460,723,561,042,804,736
  5. Step 5: Solve for x
    x = 82,817,460,723,561,042,804,736/320,849,192,011.20
  6. Step 6: Final answer
    x = 258,119,586,352.80

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1.5x scale

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.