Home / 320,849,192,001.70-481,273,788,002.55-172,079,724,225.70

Finding the Fourth Proportional to 320,849,192,001.70, 481,273,788,002.55 and 172,079,724,225.70

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Solution

The fourth proportional to 320,849,192,001.70, 481,273,788,002.55 and 172,079,724,225.70 is: 258,119,586,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,849,192,001.70 : 481,273,788,002.55 = 172,079,724,225.70 : x
  2. Step 2: Convert to fraction form
    320,849,192,001.70/481,273,788,002.55 = 172,079,724,225.70/x
  3. Step 3: Cross multiply
    320,849,192,001.70x = 481,273,788,002.55 × 172,079,724,225.70
  4. Step 4: Simplify right side
    320,849,192,001.70x = 82,817,460,716,536,808,341,504
  5. Step 5: Solve for x
    x = 82,817,460,716,536,808,341,504/320,849,192,001.70
  6. Step 6: Final answer
    x = 258,119,586,338.55

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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.