Home / 471,921,203.70-707,910,180.25-144,399,554.34

Finding the Fourth Proportional to 471,921,203.70, 707,910,180.25 and 144,399,554.34

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Solution

The fourth proportional to 471,921,203.70, 707,910,180.25 and 144,399,554.34 is: 216,608,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,921,203.70 : 707,910,180.25 = 144,399,554.34 : x
  2. Step 2: Convert to fraction form
    471,921,203.70/707,910,180.25 = 144,399,554.34/x
  3. Step 3: Cross multiply
    471,921,203.70x = 707,910,180.25 × 144,399,554.34
  4. Step 4: Simplify right side
    471,921,203.70x = 102,221,914,540,127,072
  5. Step 5: Solve for x
    x = 102,221,914,540,127,072/471,921,203.70
  6. Step 6: Final answer
    x = 216,608,013.67

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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.