Home / 672,605,007.60-1,008,907,511.40-181,317,327.60

Finding the Fourth Proportional to 672,605,007.60, 1,008,907,511.40 and 181,317,327.60

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Solution

The fourth proportional to 672,605,007.60, 1,008,907,511.40 and 181,317,327.60 is: 271,975,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,605,007.60 : 1,008,907,511.40 = 181,317,327.60 : x
  2. Step 2: Convert to fraction form
    672,605,007.60/1,008,907,511.40 = 181,317,327.60/x
  3. Step 3: Cross multiply
    672,605,007.60x = 1,008,907,511.40 × 181,317,327.60
  4. Step 4: Simplify right side
    672,605,007.60x = 182,932,413,762,614,528
  5. Step 5: Solve for x
    x = 182,932,413,762,614,528/672,605,007.60
  6. Step 6: Final answer
    x = 271,975,991.40

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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.