Home / 380,611,211.40-570,916,817.10-360,959,704.20

Finding the Fourth Proportional to 380,611,211.40, 570,916,817.10 and 360,959,704.20

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Solution

The fourth proportional to 380,611,211.40, 570,916,817.10 and 360,959,704.20 is: 541,439,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,611,211.40 : 570,916,817.10 = 360,959,704.20 : x
  2. Step 2: Convert to fraction form
    380,611,211.40/570,916,817.10 = 360,959,704.20/x
  3. Step 3: Cross multiply
    380,611,211.40x = 570,916,817.10 × 360,959,704.20
  4. Step 4: Simplify right side
    380,611,211.40x = 206,077,965,423,221,504
  5. Step 5: Solve for x
    x = 206,077,965,423,221,504/380,611,211.40
  6. Step 6: Final answer
    x = 541,439,556.30

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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.