Home / 622,131,030.80-933,196,546.20-391,351,792.40

Finding the Fourth Proportional to 622,131,030.80, 933,196,546.20 and 391,351,792.40

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Solution

The fourth proportional to 622,131,030.80, 933,196,546.20 and 391,351,792.40 is: 587,027,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,131,030.80 : 933,196,546.20 = 391,351,792.40 : x
  2. Step 2: Convert to fraction form
    622,131,030.80/933,196,546.20 = 391,351,792.40/x
  3. Step 3: Cross multiply
    622,131,030.80x = 933,196,546.20 × 391,351,792.40
  4. Step 4: Simplify right side
    622,131,030.80x = 365,208,141,016,859,392
  5. Step 5: Solve for x
    x = 365,208,141,016,859,392/622,131,030.80
  6. Step 6: Final answer
    x = 587,027,688.60

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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.