Home / 16,887,911,986.53-23,305,254,585.75-9,267,085,394.28

Finding the Fourth Proportional to 16,887,911,986.53, 23,305,254,585.75 and 9,267,085,394.28

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Solution

The fourth proportional to 16,887,911,986.53, 23,305,254,585.75 and 9,267,085,394.28 is: 12,788,542,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887,911,986.53 : 23,305,254,585.75 = 9,267,085,394.28 : x
  2. Step 2: Convert to fraction form
    16,887,911,986.53/23,305,254,585.75 = 9,267,085,394.28/x
  3. Step 3: Cross multiply
    16,887,911,986.53x = 23,305,254,585.75 × 9,267,085,394.28
  4. Step 4: Simplify right side
    16,887,911,986.53x = 215,971,784,381,580,836,864
  5. Step 5: Solve for x
    x = 215,971,784,381,580,836,864/16,887,911,986.53
  6. Step 6: Final answer
    x = 12,788,542,749.03

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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.