Home / 343,297,432.80-514,946,149.20-214,050,981.60

Finding the Fourth Proportional to 343,297,432.80, 514,946,149.20 and 214,050,981.60

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Solution

The fourth proportional to 343,297,432.80, 514,946,149.20 and 214,050,981.60 is: 321,076,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297,432.80 : 514,946,149.20 = 214,050,981.60 : x
  2. Step 2: Convert to fraction form
    343,297,432.80/514,946,149.20 = 214,050,981.60/x
  3. Step 3: Cross multiply
    343,297,432.80x = 514,946,149.20 × 214,050,981.60
  4. Step 4: Simplify right side
    343,297,432.80x = 110,224,728,707,400,048
  5. Step 5: Solve for x
    x = 110,224,728,707,400,048/343,297,432.80
  6. Step 6: Final answer
    x = 321,076,472.40

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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.