Home / 971,271,906.60-1,456,907,859.90-680,467,391.40

Finding the Fourth Proportional to 971,271,906.60, 1,456,907,859.90 and 680,467,391.40

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Solution

The fourth proportional to 971,271,906.60, 1,456,907,859.90 and 680,467,391.40 is: 1,020,701,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,271,906.60 : 1,456,907,859.90 = 680,467,391.40 : x
  2. Step 2: Convert to fraction form
    971,271,906.60/1,456,907,859.90 = 680,467,391.40/x
  3. Step 3: Cross multiply
    971,271,906.60x = 1,456,907,859.90 × 680,467,391.40
  4. Step 4: Simplify right side
    971,271,906.60x = 991,378,290,936,309,632
  5. Step 5: Solve for x
    x = 991,378,290,936,309,632/971,271,906.60
  6. Step 6: Final answer
    x = 1,020,701,087.10

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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.