Home / 645,751,904,728.32-968,624,333,639.28-263,294,479,454.40

Finding the Fourth Proportional to 645,751,904,728.32, 968,624,333,639.28 and 263,294,479,454.40

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Solution

The fourth proportional to 645,751,904,728.32, 968,624,333,639.28 and 263,294,479,454.40 is: 394,940,282,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,751,904,728.32 : 968,624,333,639.28 = 263,294,479,454.40 : x
  2. Step 2: Convert to fraction form
    645,751,904,728.32/968,624,333,639.28 = 263,294,479,454.40/x
  3. Step 3: Cross multiply
    645,751,904,728.32x = 968,624,333,639.28 × 263,294,479,454.40
  4. Step 4: Simplify right side
    645,751,904,728.32x = 255,033,439,712,419,317,284,864
  5. Step 5: Solve for x
    x = 255,033,439,712,419,317,284,864/645,751,904,728.32
  6. Step 6: Final answer
    x = 394,940,282,552.81

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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.