Home / 622,130,734.80-933,196,102.20-391,351,496.40

Finding the Fourth Proportional to 622,130,734.80, 933,196,102.20 and 391,351,496.40

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Solution

The fourth proportional to 622,130,734.80, 933,196,102.20 and 391,351,496.40 is: 587,027,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,130,734.80 : 933,196,102.20 = 391,351,496.40 : x
  2. Step 2: Convert to fraction form
    622,130,734.80/933,196,102.20 = 391,351,496.40/x
  3. Step 3: Cross multiply
    622,130,734.80x = 933,196,102.20 × 391,351,496.40
  4. Step 4: Simplify right side
    622,130,734.80x = 365,207,691,030,617,344
  5. Step 5: Solve for x
    x = 365,207,691,030,617,344/622,130,734.80
  6. Step 6: Final answer
    x = 587,027,244.60

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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.