Home / 511,254,914,802.60-766,882,372,203.90-213,348,647,231.40

Finding the Fourth Proportional to 511,254,914,802.60, 766,882,372,203.90 and 213,348,647,231.40

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Solution

The fourth proportional to 511,254,914,802.60, 766,882,372,203.90 and 213,348,647,231.40 is: 320,022,970,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,254,914,802.60 : 766,882,372,203.90 = 213,348,647,231.40 : x
  2. Step 2: Convert to fraction form
    511,254,914,802.60/766,882,372,203.90 = 213,348,647,231.40/x
  3. Step 3: Cross multiply
    511,254,914,802.60x = 766,882,372,203.90 × 213,348,647,231.40
  4. Step 4: Simplify right side
    511,254,914,802.60x = 163,613,316,695,309,045,202,944
  5. Step 5: Solve for x
    x = 163,613,316,695,309,045,202,944/511,254,914,802.60
  6. Step 6: Final answer
    x = 320,022,970,847.10

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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.