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Finding the Fourth Proportional to 590,975,467.20, 886,463,200.80 and 181,978,473.60

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Solution

The fourth proportional to 590,975,467.20, 886,463,200.80 and 181,978,473.60 is: 272,967,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,975,467.20 : 886,463,200.80 = 181,978,473.60 : x
  2. Step 2: Convert to fraction form
    590,975,467.20/886,463,200.80 = 181,978,473.60/x
  3. Step 3: Cross multiply
    590,975,467.20x = 886,463,200.80 × 181,978,473.60
  4. Step 4: Simplify right side
    590,975,467.20x = 161,317,220,184,154,272
  5. Step 5: Solve for x
    x = 161,317,220,184,154,272/590,975,467.20
  6. Step 6: Final answer
    x = 272,967,710.40

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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.