Home / 27,295,487,996.80-40,943,231,995.20-12,602,207,228.80

Finding the Fourth Proportional to 27,295,487,996.80, 40,943,231,995.20 and 12,602,207,228.80

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Solution

The fourth proportional to 27,295,487,996.80, 40,943,231,995.20 and 12,602,207,228.80 is: 18,903,310,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,295,487,996.80 : 40,943,231,995.20 = 12,602,207,228.80 : x
  2. Step 2: Convert to fraction form
    27,295,487,996.80/40,943,231,995.20 = 12,602,207,228.80/x
  3. Step 3: Cross multiply
    27,295,487,996.80x = 40,943,231,995.20 × 12,602,207,228.80
  4. Step 4: Simplify right side
    27,295,487,996.80x = 515,975,094,220,344,786,944
  5. Step 5: Solve for x
    x = 515,975,094,220,344,786,944/27,295,487,996.80
  6. Step 6: Final answer
    x = 18,903,310,843.20

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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.