Home / 436,585,904,998.44-654,293,479,214.02-339,784,327,421.78

Finding the Fourth Proportional to 436,585,904,998.44, 654,293,479,214.02 and 339,784,327,421.78

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Solution

The fourth proportional to 436,585,904,998.44, 654,293,479,214.02 and 339,784,327,421.78 is: 509,220,905,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,585,904,998.44 : 654,293,479,214.02 = 339,784,327,421.78 : x
  2. Step 2: Convert to fraction form
    436,585,904,998.44/654,293,479,214.02 = 339,784,327,421.78/x
  3. Step 3: Cross multiply
    436,585,904,998.44x = 654,293,479,214.02 × 339,784,327,421.78
  4. Step 4: Simplify right side
    436,585,904,998.44x = 222,318,669,771,192,219,467,776
  5. Step 5: Solve for x
    x = 222,318,669,771,192,219,467,776/436,585,904,998.44
  6. Step 6: Final answer
    x = 509,220,905,269.46

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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.