Home / 405,861,406,555.44-560,089,108,137-222,970,355,919.20

Finding the Fourth Proportional to 405,861,406,555.44, 560,089,108,137 and 222,970,355,919.20

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Solution

The fourth proportional to 405,861,406,555.44, 560,089,108,137 and 222,970,355,919.20 is: 307,699,292,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,861,406,555.44 : 560,089,108,137 = 222,970,355,919.20 : x
  2. Step 2: Convert to fraction form
    405,861,406,555.44/560,089,108,137 = 222,970,355,919.20/x
  3. Step 3: Cross multiply
    405,861,406,555.44x = 560,089,108,137 × 222,970,355,919.20
  4. Step 4: Simplify right side
    405,861,406,555.44x = 124,883,267,787,774,186,487,808
  5. Step 5: Solve for x
    x = 124,883,267,787,774,186,487,808/405,861,406,555.44
  6. Step 6: Final answer
    x = 307,699,292,839.06

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1.5x scale

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.