Home / 849,854,758.80-1,274,782,138.20-504,630,685.20

Finding the Fourth Proportional to 849,854,758.80, 1,274,782,138.20 and 504,630,685.20

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Solution

The fourth proportional to 849,854,758.80, 1,274,782,138.20 and 504,630,685.20 is: 756,946,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,854,758.80 : 1,274,782,138.20 = 504,630,685.20 : x
  2. Step 2: Convert to fraction form
    849,854,758.80/1,274,782,138.20 = 504,630,685.20/x
  3. Step 3: Cross multiply
    849,854,758.80x = 1,274,782,138.20 × 504,630,685.20
  4. Step 4: Simplify right side
    849,854,758.80x = 643,294,183,880,587,136
  5. Step 5: Solve for x
    x = 643,294,183,880,587,136/849,854,758.80
  6. Step 6: Final answer
    x = 756,946,027.80

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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.