Home / 1,401,280,583.40-2,100,485,984.40-818,714,959.20

Finding the Fourth Proportional to 1,401,280,583.40, 2,100,485,984.40 and 818,714,959.20

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Solution

The fourth proportional to 1,401,280,583.40, 2,100,485,984.40 and 818,714,959.20 is: 1,227,234,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,280,583.40 : 2,100,485,984.40 = 818,714,959.20 : x
  2. Step 2: Convert to fraction form
    1,401,280,583.40/2,100,485,984.40 = 818,714,959.20/x
  3. Step 3: Cross multiply
    1,401,280,583.40x = 2,100,485,984.40 × 818,714,959.20
  4. Step 4: Simplify right side
    1,401,280,583.40x = 1,719,699,297,018,217,984
  5. Step 5: Solve for x
    x = 1,719,699,297,018,217,984/1,401,280,583.40
  6. Step 6: Final answer
    x = 1,227,234,086.73

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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.