Home / 8,076,505,736.40-12,109,981,030.20-4,206,670,472.40

Finding the Fourth Proportional to 8,076,505,736.40, 12,109,981,030.20 and 4,206,670,472.40

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Solution

The fourth proportional to 8,076,505,736.40, 12,109,981,030.20 and 4,206,670,472.40 is: 6,307,517,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076,505,736.40 : 12,109,981,030.20 = 4,206,670,472.40 : x
  2. Step 2: Convert to fraction form
    8,076,505,736.40/12,109,981,030.20 = 4,206,670,472.40/x
  3. Step 3: Cross multiply
    8,076,505,736.40x = 12,109,981,030.20 × 4,206,670,472.40
  4. Step 4: Simplify right side
    8,076,505,736.40x = 50,942,699,621,066,473,472
  5. Step 5: Solve for x
    x = 50,942,699,621,066,473,472/8,076,505,736.40
  6. Step 6: Final answer
    x = 6,307,517,295.69

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1.5x scale

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.