Home / 405,861,406,551.92-560,089,108,132.15-222,970,355,915.70

Finding the Fourth Proportional to 405,861,406,551.92, 560,089,108,132.15 and 222,970,355,915.70

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Solution

The fourth proportional to 405,861,406,551.92, 560,089,108,132.15 and 222,970,355,915.70 is: 307,699,292,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,861,406,551.92 : 560,089,108,132.15 = 222,970,355,915.70 : x
  2. Step 2: Convert to fraction form
    405,861,406,551.92/560,089,108,132.15 = 222,970,355,915.70/x
  3. Step 3: Cross multiply
    405,861,406,551.92x = 560,089,108,132.15 × 222,970,355,915.70
  4. Step 4: Simplify right side
    405,861,406,551.92x = 124,883,267,784,732,477,227,008
  5. Step 5: Solve for x
    x = 124,883,267,784,732,477,227,008/405,861,406,551.92
  6. Step 6: Final answer
    x = 307,699,292,834.23

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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.