Home / 5,298,383,555.40-7,311,439,857-2,919,388,361.76

Finding the Fourth Proportional to 5,298,383,555.40, 7,311,439,857 and 2,919,388,361.76

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Solution

The fourth proportional to 5,298,383,555.40, 7,311,439,857 and 2,919,388,361.76 is: 4,028,574,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,383,555.40 : 7,311,439,857 = 2,919,388,361.76 : x
  2. Step 2: Convert to fraction form
    5,298,383,555.40/7,311,439,857 = 2,919,388,361.76/x
  3. Step 3: Cross multiply
    5,298,383,555.40x = 7,311,439,857 × 2,919,388,361.76
  4. Step 4: Simplify right side
    5,298,383,555.40x = 21,344,932,426,233,999,360
  5. Step 5: Solve for x
    x = 21,344,932,426,233,999,360/5,298,383,555.40
  6. Step 6: Final answer
    x = 4,028,574,413.89

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1.5x scale

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.