Home / 633,912,193,058.45-874,750,817,615.90-355,761,036,498.53

Finding the Fourth Proportional to 633,912,193,058.45, 874,750,817,615.90 and 355,761,036,498.53

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Solution

The fourth proportional to 633,912,193,058.45, 874,750,817,615.90 and 355,761,036,498.53 is: 490,923,287,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,912,193,058.45 : 874,750,817,615.90 = 355,761,036,498.53 : x
  2. Step 2: Convert to fraction form
    633,912,193,058.45/874,750,817,615.90 = 355,761,036,498.53/x
  3. Step 3: Cross multiply
    633,912,193,058.45x = 874,750,817,615.90 × 355,761,036,498.53
  4. Step 4: Simplify right side
    633,912,193,058.45x = 311,202,257,552,969,178,284,032
  5. Step 5: Solve for x
    x = 311,202,257,552,969,178,284,032/633,912,193,058.45
  6. Step 6: Final answer
    x = 490,923,287,106.22

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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.