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Finding the Fourth Proportional to 441,879,991.94, 662,069,900.90 and 266,634,779.16

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Solution

The fourth proportional to 441,879,991.94, 662,069,900.90 and 266,634,779.16 is: 399,499,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,879,991.94 : 662,069,900.90 = 266,634,779.16 : x
  2. Step 2: Convert to fraction form
    441,879,991.94/662,069,900.90 = 266,634,779.16/x
  3. Step 3: Cross multiply
    441,879,991.94x = 662,069,900.90 × 266,634,779.16
  4. Step 4: Simplify right side
    441,879,991.94x = 176,530,861,814,954,592
  5. Step 5: Solve for x
    x = 176,530,861,814,954,592/441,879,991.94
  6. Step 6: Final answer
    x = 399,499,558.78

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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.