Home / 405,861,406,551.88-560,089,108,132.05-222,970,355,915.62

Finding the Fourth Proportional to 405,861,406,551.88, 560,089,108,132.05 and 222,970,355,915.62

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Solution

The fourth proportional to 405,861,406,551.88, 560,089,108,132.05 and 222,970,355,915.62 is: 307,699,292,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,861,406,551.88 : 560,089,108,132.05 = 222,970,355,915.62 : x
  2. Step 2: Convert to fraction form
    405,861,406,551.88/560,089,108,132.05 = 222,970,355,915.62/x
  3. Step 3: Cross multiply
    405,861,406,551.88x = 560,089,108,132.05 × 222,970,355,915.62
  4. Step 4: Simplify right side
    405,861,406,551.88x = 124,883,267,784,665,368,363,008
  5. Step 5: Solve for x
    x = 124,883,267,784,665,368,363,008/405,861,406,551.88
  6. Step 6: Final answer
    x = 307,699,292,834.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.