Home / 543,994,782.20-816,091,706.10-220,911,313.40

Finding the Fourth Proportional to 543,994,782.20, 816,091,706.10 and 220,911,313.40

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Solution

The fourth proportional to 543,994,782.20, 816,091,706.10 and 220,911,313.40 is: 331,407,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,994,782.20 : 816,091,706.10 = 220,911,313.40 : x
  2. Step 2: Convert to fraction form
    543,994,782.20/816,091,706.10 = 220,911,313.40/x
  3. Step 3: Cross multiply
    543,994,782.20x = 816,091,706.10 × 220,911,313.40
  4. Step 4: Simplify right side
    543,994,782.20x = 180,283,890,649,397,792
  5. Step 5: Solve for x
    x = 180,283,890,649,397,792/543,994,782.20
  6. Step 6: Final answer
    x = 331,407,389.46

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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.