Home / 1,672,213,083.12-2,307,663,027.42-919,574,791.56

Finding the Fourth Proportional to 1,672,213,083.12, 2,307,663,027.42 and 919,574,791.56

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Solution

The fourth proportional to 1,672,213,083.12, 2,307,663,027.42 and 919,574,791.56 is: 1,269,018,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,213,083.12 : 2,307,663,027.42 = 919,574,791.56 : x
  2. Step 2: Convert to fraction form
    1,672,213,083.12/2,307,663,027.42 = 919,574,791.56/x
  3. Step 3: Cross multiply
    1,672,213,083.12x = 2,307,663,027.42 × 919,574,791.56
  4. Step 4: Simplify right side
    1,672,213,083.12x = 2,122,068,747,430,465,024
  5. Step 5: Solve for x
    x = 2,122,068,747,430,465,024/1,672,213,083.12
  6. Step 6: Final answer
    x = 1,269,018,146.58

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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.