Home / 554,287,974.32-831,326,001.31-166,110,804.66

Finding the Fourth Proportional to 554,287,974.32, 831,326,001.31 and 166,110,804.66

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Solution

The fourth proportional to 554,287,974.32, 831,326,001.31 and 166,110,804.66 is: 249,134,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,287,974.32 : 831,326,001.31 = 166,110,804.66 : x
  2. Step 2: Convert to fraction form
    554,287,974.32/831,326,001.31 = 166,110,804.66/x
  3. Step 3: Cross multiply
    554,287,974.32x = 831,326,001.31 × 166,110,804.66
  4. Step 4: Simplify right side
    554,287,974.32x = 138,092,231,015,709,408
  5. Step 5: Solve for x
    x = 138,092,231,015,709,408/554,287,974.32
  6. Step 6: Final answer
    x = 249,134,452.51

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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.