Home / 18,255,361,292.44-25,216,030,275.68-15,096,305,927.32

Finding the Fourth Proportional to 18,255,361,292.44, 25,216,030,275.68 and 15,096,305,927.32

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Solution

The fourth proportional to 18,255,361,292.44, 25,216,030,275.68 and 15,096,305,927.32 is: 20,852,444,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,361,292.44 : 25,216,030,275.68 = 15,096,305,927.32 : x
  2. Step 2: Convert to fraction form
    18,255,361,292.44/25,216,030,275.68 = 15,096,305,927.32/x
  3. Step 3: Cross multiply
    18,255,361,292.44x = 25,216,030,275.68 × 15,096,305,927.32
  4. Step 4: Simplify right side
    18,255,361,292.44x = 380,668,907,314,228,559,872
  5. Step 5: Solve for x
    x = 380,668,907,314,228,559,872/18,255,361,292.44
  6. Step 6: Final answer
    x = 20,852,444,452.68

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Double scale
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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.