Home / 448,904,047.60-672,012,378.60-400,531,106.80

Finding the Fourth Proportional to 448,904,047.60, 672,012,378.60 and 400,531,106.80

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Solution

The fourth proportional to 448,904,047.60, 672,012,378.60 and 400,531,106.80 is: 599,597,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,904,047.60 : 672,012,378.60 = 400,531,106.80 : x
  2. Step 2: Convert to fraction form
    448,904,047.60/672,012,378.60 = 400,531,106.80/x
  3. Step 3: Cross multiply
    448,904,047.60x = 672,012,378.60 × 400,531,106.80
  4. Step 4: Simplify right side
    448,904,047.60x = 269,161,861,783,958,656
  5. Step 5: Solve for x
    x = 269,161,861,783,958,656/448,904,047.60
  6. Step 6: Final answer
    x = 599,597,760.86

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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.