Home / 20,229,191,331.40-30,343,786,997.10-19,919,254,940.20

Finding the Fourth Proportional to 20,229,191,331.40, 30,343,786,997.10 and 19,919,254,940.20

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Solution

The fourth proportional to 20,229,191,331.40, 30,343,786,997.10 and 19,919,254,940.20 is: 29,878,882,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,191,331.40 : 30,343,786,997.10 = 19,919,254,940.20 : x
  2. Step 2: Convert to fraction form
    20,229,191,331.40/30,343,786,997.10 = 19,919,254,940.20/x
  3. Step 3: Cross multiply
    20,229,191,331.40x = 30,343,786,997.10 × 19,919,254,940.20
  4. Step 4: Simplify right side
    20,229,191,331.40x = 604,425,629,046,360,637,440
  5. Step 5: Solve for x
    x = 604,425,629,046,360,637,440/20,229,191,331.40
  6. Step 6: Final answer
    x = 29,878,882,410.30

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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.