Home / 11,515,285,514.40-17,272,928,271.60-9,655,667,167.20

Finding the Fourth Proportional to 11,515,285,514.40, 17,272,928,271.60 and 9,655,667,167.20

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Solution

The fourth proportional to 11,515,285,514.40, 17,272,928,271.60 and 9,655,667,167.20 is: 14,483,500,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515,285,514.40 : 17,272,928,271.60 = 9,655,667,167.20 : x
  2. Step 2: Convert to fraction form
    11,515,285,514.40/17,272,928,271.60 = 9,655,667,167.20/x
  3. Step 3: Cross multiply
    11,515,285,514.40x = 17,272,928,271.60 × 9,655,667,167.20
  4. Step 4: Simplify right side
    11,515,285,514.40x = 166,781,646,393,488,769,024
  5. Step 5: Solve for x
    x = 166,781,646,393,488,769,024/11,515,285,514.40
  6. Step 6: Final answer
    x = 14,483,500,750.80

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Double scale
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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.