Home / 909,792,450.20-1,364,688,675.30-728,393,922.20

Finding the Fourth Proportional to 909,792,450.20, 1,364,688,675.30 and 728,393,922.20

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Solution

The fourth proportional to 909,792,450.20, 1,364,688,675.30 and 728,393,922.20 is: 1,092,590,883.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,792,450.20 : 1,364,688,675.30 = 728,393,922.20 : x
  2. Step 2: Convert to fraction form
    909,792,450.20/1,364,688,675.30 = 728,393,922.20/x
  3. Step 3: Cross multiply
    909,792,450.20x = 1,364,688,675.30 × 728,393,922.20
  4. Step 4: Simplify right side
    909,792,450.20x = 994,030,936,783,689,344
  5. Step 5: Solve for x
    x = 994,030,936,783,689,344/909,792,450.20
  6. Step 6: Final answer
    x = 1,092,590,883.30

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Similar ratio
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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.