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Finding the Fourth Proportional to 800,800,223.40, 1,201,200,335.10 and 714,635,922.60

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Solution

The fourth proportional to 800,800,223.40, 1,201,200,335.10 and 714,635,922.60 is: 1,071,953,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,800,223.40 : 1,201,200,335.10 = 714,635,922.60 : x
  2. Step 2: Convert to fraction form
    800,800,223.40/1,201,200,335.10 = 714,635,922.60/x
  3. Step 3: Cross multiply
    800,800,223.40x = 1,201,200,335.10 × 714,635,922.60
  4. Step 4: Simplify right side
    800,800,223.40x = 858,420,909,701,617,664
  5. Step 5: Solve for x
    x = 858,420,909,701,617,664/800,800,223.40
  6. Step 6: Final answer
    x = 1,071,953,883.90

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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.