Home / 322,579,940.40-483,869,910.60-80,242,844.40

Finding the Fourth Proportional to 322,579,940.40, 483,869,910.60 and 80,242,844.40

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Solution

The fourth proportional to 322,579,940.40, 483,869,910.60 and 80,242,844.40 is: 120,364,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,579,940.40 : 483,869,910.60 = 80,242,844.40 : x
  2. Step 2: Convert to fraction form
    322,579,940.40/483,869,910.60 = 80,242,844.40/x
  3. Step 3: Cross multiply
    322,579,940.40x = 483,869,910.60 × 80,242,844.40
  4. Step 4: Simplify right side
    322,579,940.40x = 38,827,097,946,117,712
  5. Step 5: Solve for x
    x = 38,827,097,946,117,712/322,579,940.40
  6. Step 6: Final answer
    x = 120,364,266.60

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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.