Home / 1,423,321,626.26-1,963,238,069.30-915,326,576.64

Finding the Fourth Proportional to 1,423,321,626.26, 1,963,238,069.30 and 915,326,576.64

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Solution

The fourth proportional to 1,423,321,626.26, 1,963,238,069.30 and 915,326,576.64 is: 1,262,542,455.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,321,626.26 : 1,963,238,069.30 = 915,326,576.64 : x
  2. Step 2: Convert to fraction form
    1,423,321,626.26/1,963,238,069.30 = 915,326,576.64/x
  3. Step 3: Cross multiply
    1,423,321,626.26x = 1,963,238,069.30 × 915,326,576.64
  4. Step 4: Simplify right side
    1,423,321,626.26x = 1,797,003,981,096,784,128
  5. Step 5: Solve for x
    x = 1,797,003,981,096,784,128/1,423,321,626.26
  6. Step 6: Final answer
    x = 1,262,542,455.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.