Home / 400,823,910.80-601,235,866.20-247,768,902.80

Finding the Fourth Proportional to 400,823,910.80, 601,235,866.20 and 247,768,902.80

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Solution

The fourth proportional to 400,823,910.80, 601,235,866.20 and 247,768,902.80 is: 371,653,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,823,910.80 : 601,235,866.20 = 247,768,902.80 : x
  2. Step 2: Convert to fraction form
    400,823,910.80/601,235,866.20 = 247,768,902.80/x
  3. Step 3: Cross multiply
    400,823,910.80x = 601,235,866.20 × 247,768,902.80
  4. Step 4: Simplify right side
    400,823,910.80x = 148,967,550,892,381,632
  5. Step 5: Solve for x
    x = 148,967,550,892,381,632/400,823,910.80
  6. Step 6: Final answer
    x = 371,653,354.20

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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.