Home / 654,692,816.80-982,180,942.80-194,677,487.20

Finding the Fourth Proportional to 654,692,816.80, 982,180,942.80 and 194,677,487.20

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Solution

The fourth proportional to 654,692,816.80, 982,180,942.80 and 194,677,487.20 is: 292,058,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,692,816.80 : 982,180,942.80 = 194,677,487.20 : x
  2. Step 2: Convert to fraction form
    654,692,816.80/982,180,942.80 = 194,677,487.20/x
  3. Step 3: Cross multiply
    654,692,816.80x = 982,180,942.80 × 194,677,487.20
  4. Step 4: Simplify right side
    654,692,816.80x = 191,208,517,920,030,912
  5. Step 5: Solve for x
    x = 191,208,517,920,030,912/654,692,816.80
  6. Step 6: Final answer
    x = 292,058,371.52

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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.