Home / 622,133,059.80-933,199,589.70-391,353,821.40

Finding the Fourth Proportional to 622,133,059.80, 933,199,589.70 and 391,353,821.40

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Solution

The fourth proportional to 622,133,059.80, 933,199,589.70 and 391,353,821.40 is: 587,030,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,133,059.80 : 933,199,589.70 = 391,353,821.40 : x
  2. Step 2: Convert to fraction form
    622,133,059.80/933,199,589.70 = 391,353,821.40/x
  3. Step 3: Cross multiply
    622,133,059.80x = 933,199,589.70 × 391,353,821.40
  4. Step 4: Simplify right side
    622,133,059.80x = 365,211,225,558,007,104
  5. Step 5: Solve for x
    x = 365,211,225,558,007,104/622,133,059.80
  6. Step 6: Final answer
    x = 587,030,732.10

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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.