Home / 1,004,488,915.80-1,505,920,276.26-314,040,768.60

Finding the Fourth Proportional to 1,004,488,915.80, 1,505,920,276.26 and 314,040,768.60

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Solution

The fourth proportional to 1,004,488,915.80, 1,505,920,276.26 and 314,040,768.60 is: 470,806,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,488,915.80 : 1,505,920,276.26 = 314,040,768.60 : x
  2. Step 2: Convert to fraction form
    1,004,488,915.80/1,505,920,276.26 = 314,040,768.60/x
  3. Step 3: Cross multiply
    1,004,488,915.80x = 1,505,920,276.26 × 314,040,768.60
  4. Step 4: Simplify right side
    1,004,488,915.80x = 472,920,361,007,014,784
  5. Step 5: Solve for x
    x = 472,920,361,007,014,784/1,004,488,915.80
  6. Step 6: Final answer
    x = 470,806,948.26

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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.