Home / 17,615,056,051.20-26,422,584,076.80-9,778,639,641.60

Finding the Fourth Proportional to 17,615,056,051.20, 26,422,584,076.80 and 9,778,639,641.60

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Solution

The fourth proportional to 17,615,056,051.20, 26,422,584,076.80 and 9,778,639,641.60 is: 14,667,959,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615,056,051.20 : 26,422,584,076.80 = 9,778,639,641.60 : x
  2. Step 2: Convert to fraction form
    17,615,056,051.20/26,422,584,076.80 = 9,778,639,641.60/x
  3. Step 3: Cross multiply
    17,615,056,051.20x = 26,422,584,076.80 × 9,778,639,641.60
  4. Step 4: Simplify right side
    17,615,056,051.20x = 258,376,928,086,905,421,824
  5. Step 5: Solve for x
    x = 258,376,928,086,905,421,824/17,615,056,051.20
  6. Step 6: Final answer
    x = 14,667,959,462.40

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Double scale
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Similar ratio
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1.5x scale

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.