Home / 13,348,190,120.34-18,435,790,431.83-8,790,827,010.24

Finding the Fourth Proportional to 13,348,190,120.34, 18,435,790,431.83 and 8,790,827,010.24

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Solution

The fourth proportional to 13,348,190,120.34, 18,435,790,431.83 and 8,790,827,010.24 is: 12,141,409,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348,190,120.34 : 18,435,790,431.83 = 8,790,827,010.24 : x
  2. Step 2: Convert to fraction form
    13,348,190,120.34/18,435,790,431.83 = 8,790,827,010.24/x
  3. Step 3: Cross multiply
    13,348,190,120.34x = 18,435,790,431.83 × 8,790,827,010.24
  4. Step 4: Simplify right side
    13,348,190,120.34x = 162,065,844,483,211,362,304
  5. Step 5: Solve for x
    x = 162,065,844,483,211,362,304/13,348,190,120.34
  6. Step 6: Final answer
    x = 12,141,409,660.94

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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.