Home / 1,265,741,811.64-1,899,158,330.22-683,360,420.32

Finding the Fourth Proportional to 1,265,741,811.64, 1,899,158,330.22 and 683,360,420.32

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Solution

The fourth proportional to 1,265,741,811.64, 1,899,158,330.22 and 683,360,420.32 is: 1,025,335,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,741,811.64 : 1,899,158,330.22 = 683,360,420.32 : x
  2. Step 2: Convert to fraction form
    1,265,741,811.64/1,899,158,330.22 = 683,360,420.32/x
  3. Step 3: Cross multiply
    1,265,741,811.64x = 1,899,158,330.22 × 683,360,420.32
  4. Step 4: Simplify right side
    1,265,741,811.64x = 1,297,809,634,793,368,576
  5. Step 5: Solve for x
    x = 1,297,809,634,793,368,576/1,265,741,811.64
  6. Step 6: Final answer
    x = 1,025,335,200.95

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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.