Home / 320,206,898.46-441,885,897.63-173,529,182.46

Finding the Fourth Proportional to 320,206,898.46, 441,885,897.63 and 173,529,182.46

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Solution

The fourth proportional to 320,206,898.46, 441,885,897.63 and 173,529,182.46 is: 239,470,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206,898.46 : 441,885,897.63 = 173,529,182.46 : x
  2. Step 2: Convert to fraction form
    320,206,898.46/441,885,897.63 = 173,529,182.46/x
  3. Step 3: Cross multiply
    320,206,898.46x = 441,885,897.63 × 173,529,182.46
  4. Step 4: Simplify right side
    320,206,898.46x = 76,680,098,556,337,152
  5. Step 5: Solve for x
    x = 76,680,098,556,337,152/320,206,898.46
  6. Step 6: Final answer
    x = 239,470,476.51

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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.