Home / 1,098,247,994.40-1,515,675,700.08-622,023,074.40

Finding the Fourth Proportional to 1,098,247,994.40, 1,515,675,700.08 and 622,023,074.40

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Solution

The fourth proportional to 1,098,247,994.40, 1,515,675,700.08 and 622,023,074.40 is: 858,444,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,247,994.40 : 1,515,675,700.08 = 622,023,074.40 : x
  2. Step 2: Convert to fraction form
    1,098,247,994.40/1,515,675,700.08 = 622,023,074.40/x
  3. Step 3: Cross multiply
    1,098,247,994.40x = 1,515,675,700.08 × 622,023,074.40
  4. Step 4: Simplify right side
    1,098,247,994.40x = 942,785,258,757,133,824
  5. Step 5: Solve for x
    x = 942,785,258,757,133,824/1,098,247,994.40
  6. Step 6: Final answer
    x = 858,444,780.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.