Home / 1,295,071,318.40-1,942,606,977.60-881,822,796.80

Finding the Fourth Proportional to 1,295,071,318.40, 1,942,606,977.60 and 881,822,796.80

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Solution

The fourth proportional to 1,295,071,318.40, 1,942,606,977.60 and 881,822,796.80 is: 1,322,734,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,071,318.40 : 1,942,606,977.60 = 881,822,796.80 : x
  2. Step 2: Convert to fraction form
    1,295,071,318.40/1,942,606,977.60 = 881,822,796.80/x
  3. Step 3: Cross multiply
    1,295,071,318.40x = 1,942,606,977.60 × 881,822,796.80
  4. Step 4: Simplify right side
    1,295,071,318.40x = 1,713,035,118,070,426,880
  5. Step 5: Solve for x
    x = 1,713,035,118,070,426,880/1,295,071,318.40
  6. Step 6: Final answer
    x = 1,322,734,195.20

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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.