Home / 1,042,315,578.34-1,438,390,270.64-566,001,692.44

Finding the Fourth Proportional to 1,042,315,578.34, 1,438,390,270.64 and 566,001,692.44

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Solution

The fourth proportional to 1,042,315,578.34, 1,438,390,270.64 and 566,001,692.44 is: 781,079,496.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,315,578.34 : 1,438,390,270.64 = 566,001,692.44 : x
  2. Step 2: Convert to fraction form
    1,042,315,578.34/1,438,390,270.64 = 566,001,692.44/x
  3. Step 3: Cross multiply
    1,042,315,578.34x = 1,438,390,270.64 × 566,001,692.44
  4. Step 4: Simplify right side
    1,042,315,578.34x = 814,131,327,569,288,576
  5. Step 5: Solve for x
    x = 814,131,327,569,288,576/1,042,315,578.34
  6. Step 6: Final answer
    x = 781,079,496.93

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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.