Home / 853,818,924,564.45-1,280,683,280,380.70-280,059,459,847.30

Finding the Fourth Proportional to 853,818,924,564.45, 1,280,683,280,380.70 and 280,059,459,847.30

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Solution

The fourth proportional to 853,818,924,564.45, 1,280,683,280,380.70 and 280,059,459,847.30 is: 420,074,394,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818,924,564.45 : 1,280,683,280,380.70 = 280,059,459,847.30 : x
  2. Step 2: Convert to fraction form
    853,818,924,564.45/1,280,683,280,380.70 = 280,059,459,847.30/x
  3. Step 3: Cross multiply
    853,818,924,564.45x = 1,280,683,280,380.70 × 280,059,459,847.30
  4. Step 4: Simplify right side
    853,818,924,564.45x = 358,667,467,738,887,057,571,840
  5. Step 5: Solve for x
    x = 358,667,467,738,887,057,571,840/853,818,924,564.45
  6. Step 6: Final answer
    x = 420,074,394,488.09

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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.