Home / 323,045,647.20-484,568,470.80-194,051,138.40

Finding the Fourth Proportional to 323,045,647.20, 484,568,470.80 and 194,051,138.40

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Solution

The fourth proportional to 323,045,647.20, 484,568,470.80 and 194,051,138.40 is: 291,076,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,045,647.20 : 484,568,470.80 = 194,051,138.40 : x
  2. Step 2: Convert to fraction form
    323,045,647.20/484,568,470.80 = 194,051,138.40/x
  3. Step 3: Cross multiply
    323,045,647.20x = 484,568,470.80 × 194,051,138.40
  4. Step 4: Simplify right side
    323,045,647.20x = 94,031,063,391,487,168
  5. Step 5: Solve for x
    x = 94,031,063,391,487,168/323,045,647.20
  6. Step 6: Final answer
    x = 291,076,707.60

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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.