Home / 769,222,786.80-1,153,834,180.20-692,632,297.20

Finding the Fourth Proportional to 769,222,786.80, 1,153,834,180.20 and 692,632,297.20

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Solution

The fourth proportional to 769,222,786.80, 1,153,834,180.20 and 692,632,297.20 is: 1,038,948,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,222,786.80 : 1,153,834,180.20 = 692,632,297.20 : x
  2. Step 2: Convert to fraction form
    769,222,786.80/1,153,834,180.20 = 692,632,297.20/x
  3. Step 3: Cross multiply
    769,222,786.80x = 1,153,834,180.20 × 692,632,297.20
  4. Step 4: Simplify right side
    769,222,786.80x = 799,182,818,819,804,800
  5. Step 5: Solve for x
    x = 799,182,818,819,804,800/769,222,786.80
  6. Step 6: Final answer
    x = 1,038,948,445.80

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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.