Home / 622,133,085.80-933,199,628.70-391,353,847.40

Finding the Fourth Proportional to 622,133,085.80, 933,199,628.70 and 391,353,847.40

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Solution

The fourth proportional to 622,133,085.80, 933,199,628.70 and 391,353,847.40 is: 587,030,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,133,085.80 : 933,199,628.70 = 391,353,847.40 : x
  2. Step 2: Convert to fraction form
    622,133,085.80/933,199,628.70 = 391,353,847.40/x
  3. Step 3: Cross multiply
    622,133,085.80x = 933,199,628.70 × 391,353,847.40
  4. Step 4: Simplify right side
    622,133,085.80x = 365,211,265,083,996,480
  5. Step 5: Solve for x
    x = 365,211,265,083,996,480/622,133,085.80
  6. Step 6: Final answer
    x = 587,030,771.10

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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.