Home / 472,823,999.70-709,235,999.55-255,145,766.10

Finding the Fourth Proportional to 472,823,999.70, 709,235,999.55 and 255,145,766.10

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Solution

The fourth proportional to 472,823,999.70, 709,235,999.55 and 255,145,766.10 is: 382,718,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,823,999.70 : 709,235,999.55 = 255,145,766.10 : x
  2. Step 2: Convert to fraction form
    472,823,999.70/709,235,999.55 = 255,145,766.10/x
  3. Step 3: Cross multiply
    472,823,999.70x = 709,235,999.55 × 255,145,766.10
  4. Step 4: Simplify right side
    472,823,999.70x = 180,958,562,450,884,000
  5. Step 5: Solve for x
    x = 180,958,562,450,884,000/472,823,999.70
  6. Step 6: Final answer
    x = 382,718,649.15

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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.