Home / 849,854,721.80-1,274,782,082.70-504,630,648.20

Finding the Fourth Proportional to 849,854,721.80, 1,274,782,082.70 and 504,630,648.20

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Solution

The fourth proportional to 849,854,721.80, 1,274,782,082.70 and 504,630,648.20 is: 756,945,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,854,721.80 : 1,274,782,082.70 = 504,630,648.20 : x
  2. Step 2: Convert to fraction form
    849,854,721.80/1,274,782,082.70 = 504,630,648.20/x
  3. Step 3: Cross multiply
    849,854,721.80x = 1,274,782,082.70 × 504,630,648.20
  4. Step 4: Simplify right side
    849,854,721.80x = 643,294,108,706,647,040
  5. Step 5: Solve for x
    x = 643,294,108,706,647,040/849,854,721.80
  6. Step 6: Final answer
    x = 756,945,972.30

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1.5x scale

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.