Home / 826,197,622.20-1,140,173,164.02-449,874,840.60

Finding the Fourth Proportional to 826,197,622.20, 1,140,173,164.02 and 449,874,840.60

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Solution

The fourth proportional to 826,197,622.20, 1,140,173,164.02 and 449,874,840.60 is: 620,838,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,197,622.20 : 1,140,173,164.02 = 449,874,840.60 : x
  2. Step 2: Convert to fraction form
    826,197,622.20/1,140,173,164.02 = 449,874,840.60/x
  3. Step 3: Cross multiply
    826,197,622.20x = 1,140,173,164.02 × 449,874,840.60
  4. Step 4: Simplify right side
    826,197,622.20x = 512,935,220,419,895,168
  5. Step 5: Solve for x
    x = 512,935,220,419,895,168/826,197,622.20
  6. Step 6: Final answer
    x = 620,838,412.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.