Home / 982,401,344.20-1,473,602,016.30-465,840,692.20

Finding the Fourth Proportional to 982,401,344.20, 1,473,602,016.30 and 465,840,692.20

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Solution

The fourth proportional to 982,401,344.20, 1,473,602,016.30 and 465,840,692.20 is: 698,761,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,401,344.20 : 1,473,602,016.30 = 465,840,692.20 : x
  2. Step 2: Convert to fraction form
    982,401,344.20/1,473,602,016.30 = 465,840,692.20/x
  3. Step 3: Cross multiply
    982,401,344.20x = 1,473,602,016.30 × 465,840,692.20
  4. Step 4: Simplify right side
    982,401,344.20x = 686,463,783,300,507,648
  5. Step 5: Solve for x
    x = 686,463,783,300,507,648/982,401,344.20
  6. Step 6: Final answer
    x = 698,761,038.30

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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.