Home / 37,643,628,447.45-51,949,138,813.02-20,497,421,710.80

Finding the Fourth Proportional to 37,643,628,447.45, 51,949,138,813.02 and 20,497,421,710.80

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Solution

The fourth proportional to 37,643,628,447.45, 51,949,138,813.02 and 20,497,421,710.80 is: 28,286,949,204.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,643,628,447.45 : 51,949,138,813.02 = 20,497,421,710.80 : x
  2. Step 2: Convert to fraction form
    37,643,628,447.45/51,949,138,813.02 = 20,497,421,710.80/x
  3. Step 3: Cross multiply
    37,643,628,447.45x = 51,949,138,813.02 × 20,497,421,710.80
  4. Step 4: Simplify right side
    37,643,628,447.45x = 1,064,823,405,763,359,014,912
  5. Step 5: Solve for x
    x = 1,064,823,405,763,359,014,912/37,643,628,447.45
  6. Step 6: Final answer
    x = 28,286,949,204.43

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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.