Home / 881,585,878.74-1,322,570,136.87-268,154,161.26

Finding the Fourth Proportional to 881,585,878.74, 1,322,570,136.87 and 268,154,161.26

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Solution

The fourth proportional to 881,585,878.74, 1,322,570,136.87 and 268,154,161.26 is: 402,289,435.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,585,878.74 : 1,322,570,136.87 = 268,154,161.26 : x
  2. Step 2: Convert to fraction form
    881,585,878.74/1,322,570,136.87 = 268,154,161.26/x
  3. Step 3: Cross multiply
    881,585,878.74x = 1,322,570,136.87 × 268,154,161.26
  4. Step 4: Simplify right side
    881,585,878.74x = 354,652,685,759,898,240
  5. Step 5: Solve for x
    x = 354,652,685,759,898,240/881,585,878.74
  6. Step 6: Final answer
    x = 402,289,435.79

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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.