Home / 554,287,973.20-831,325,999.62-166,110,803.54

Finding the Fourth Proportional to 554,287,973.20, 831,325,999.62 and 166,110,803.54

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Solution

The fourth proportional to 554,287,973.20, 831,325,999.62 and 166,110,803.54 is: 249,134,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,287,973.20 : 831,325,999.62 = 166,110,803.54 : x
  2. Step 2: Convert to fraction form
    554,287,973.20/831,325,999.62 = 166,110,803.54/x
  3. Step 3: Cross multiply
    554,287,973.20x = 831,325,999.62 × 166,110,803.54
  4. Step 4: Simplify right side
    554,287,973.20x = 138,092,229,797,351,216
  5. Step 5: Solve for x
    x = 138,092,229,797,351,216/554,287,973.20
  6. Step 6: Final answer
    x = 249,134,450.82

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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.