Home / 620,533,090.20-930,799,635.30-362,040,187.80

Finding the Fourth Proportional to 620,533,090.20, 930,799,635.30 and 362,040,187.80

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Solution

The fourth proportional to 620,533,090.20, 930,799,635.30 and 362,040,187.80 is: 543,060,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,533,090.20 : 930,799,635.30 = 362,040,187.80 : x
  2. Step 2: Convert to fraction form
    620,533,090.20/930,799,635.30 = 362,040,187.80/x
  3. Step 3: Cross multiply
    620,533,090.20x = 930,799,635.30 × 362,040,187.80
  4. Step 4: Simplify right side
    620,533,090.20x = 336,986,874,768,183,488
  5. Step 5: Solve for x
    x = 336,986,874,768,183,488/620,533,090.20
  6. Step 6: Final answer
    x = 543,060,281.70

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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.