Home / 885,334,738.40-1,328,002,107.60-621,314,849.60

Finding the Fourth Proportional to 885,334,738.40, 1,328,002,107.60 and 621,314,849.60

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Solution

The fourth proportional to 885,334,738.40, 1,328,002,107.60 and 621,314,849.60 is: 931,972,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,334,738.40 : 1,328,002,107.60 = 621,314,849.60 : x
  2. Step 2: Convert to fraction form
    885,334,738.40/1,328,002,107.60 = 621,314,849.60/x
  3. Step 3: Cross multiply
    885,334,738.40x = 1,328,002,107.60 × 621,314,849.60
  4. Step 4: Simplify right side
    885,334,738.40x = 825,107,429,751,976,960
  5. Step 5: Solve for x
    x = 825,107,429,751,976,960/885,334,738.40
  6. Step 6: Final answer
    x = 931,972,274.40

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1.5x scale

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.