Home / 1,140,325,433.44-1,573,649,098.18-618,804,665.44

Finding the Fourth Proportional to 1,140,325,433.44, 1,573,649,098.18 and 618,804,665.44

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Solution

The fourth proportional to 1,140,325,433.44, 1,573,649,098.18 and 618,804,665.44 is: 853,950,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,325,433.44 : 1,573,649,098.18 = 618,804,665.44 : x
  2. Step 2: Convert to fraction form
    1,140,325,433.44/1,573,649,098.18 = 618,804,665.44/x
  3. Step 3: Cross multiply
    1,140,325,433.44x = 1,573,649,098.18 × 618,804,665.44
  4. Step 4: Simplify right side
    1,140,325,433.44x = 973,781,403,713,751,424
  5. Step 5: Solve for x
    x = 973,781,403,713,751,424/1,140,325,433.44
  6. Step 6: Final answer
    x = 853,950,438.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.