Home / 26,786,943,983.80-40,180,415,975.70-20,975,820,988.60

Finding the Fourth Proportional to 26,786,943,983.80, 40,180,415,975.70 and 20,975,820,988.60

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Solution

The fourth proportional to 26,786,943,983.80, 40,180,415,975.70 and 20,975,820,988.60 is: 31,463,731,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,786,943,983.80 : 40,180,415,975.70 = 20,975,820,988.60 : x
  2. Step 2: Convert to fraction form
    26,786,943,983.80/40,180,415,975.70 = 20,975,820,988.60/x
  3. Step 3: Cross multiply
    26,786,943,983.80x = 40,180,415,975.70 × 20,975,820,988.60
  4. Step 4: Simplify right side
    26,786,943,983.80x = 842,817,212,753,766,645,760
  5. Step 5: Solve for x
    x = 842,817,212,753,766,645,760/26,786,943,983.80
  6. Step 6: Final answer
    x = 31,463,731,482.90

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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.