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Finding the Fourth Proportional to 559,959,762.80, 839,939,644.20 and 366,467,999.60

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Solution

The fourth proportional to 559,959,762.80, 839,939,644.20 and 366,467,999.60 is: 549,701,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,959,762.80 : 839,939,644.20 = 366,467,999.60 : x
  2. Step 2: Convert to fraction form
    559,959,762.80/839,939,644.20 = 366,467,999.60/x
  3. Step 3: Cross multiply
    559,959,762.80x = 839,939,644.20 × 366,467,999.60
  4. Step 4: Simplify right side
    559,959,762.80x = 307,811,001,194,709,760
  5. Step 5: Solve for x
    x = 307,811,001,194,709,760/559,959,762.80
  6. Step 6: Final answer
    x = 549,701,999.40

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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.