Home / 1,942,068,005.20-2,913,102,007.80-1,928,463,115.60

Finding the Fourth Proportional to 1,942,068,005.20, 2,913,102,007.80 and 1,928,463,115.60

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Solution

The fourth proportional to 1,942,068,005.20, 2,913,102,007.80 and 1,928,463,115.60 is: 2,892,694,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,068,005.20 : 2,913,102,007.80 = 1,928,463,115.60 : x
  2. Step 2: Convert to fraction form
    1,942,068,005.20/2,913,102,007.80 = 1,928,463,115.60/x
  3. Step 3: Cross multiply
    1,942,068,005.20x = 2,913,102,007.80 × 1,928,463,115.60
  4. Step 4: Simplify right side
    1,942,068,005.20x = 5,617,809,774,022,603,776
  5. Step 5: Solve for x
    x = 5,617,809,774,022,603,776/1,942,068,005.20
  6. Step 6: Final answer
    x = 2,892,694,673.40

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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.