Home / 320,849,192,007.70-481,273,788,011.55-172,079,724,231.70

Finding the Fourth Proportional to 320,849,192,007.70, 481,273,788,011.55 and 172,079,724,231.70

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Solution

The fourth proportional to 320,849,192,007.70, 481,273,788,011.55 and 172,079,724,231.70 is: 258,119,586,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849,192,007.70 : 481,273,788,011.55 = 172,079,724,231.70 : x
  2. Step 2: Convert to fraction form
    320,849,192,007.70/481,273,788,011.55 = 172,079,724,231.70/x
  3. Step 3: Cross multiply
    320,849,192,007.70x = 481,273,788,011.55 × 172,079,724,231.70
  4. Step 4: Simplify right side
    320,849,192,007.70x = 82,817,460,720,973,174,013,952
  5. Step 5: Solve for x
    x = 82,817,460,720,973,174,013,952/320,849,192,007.70
  6. Step 6: Final answer
    x = 258,119,586,347.55

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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.