Home / 522,221,946.20-783,338,380.74-153,763,874.72

Finding the Fourth Proportional to 522,221,946.20, 783,338,380.74 and 153,763,874.72

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Solution

The fourth proportional to 522,221,946.20, 783,338,380.74 and 153,763,874.72 is: 230,647,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,221,946.20 : 783,338,380.74 = 153,763,874.72 : x
  2. Step 2: Convert to fraction form
    522,221,946.20/783,338,380.74 = 153,763,874.72/x
  3. Step 3: Cross multiply
    522,221,946.20x = 783,338,380.74 × 153,763,874.72
  4. Step 4: Simplify right side
    522,221,946.20x = 120,449,144,635,556,336
  5. Step 5: Solve for x
    x = 120,449,144,635,556,336/522,221,946.20
  6. Step 6: Final answer
    x = 230,647,420.15

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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.