Home / 853,818,924,563.45-1,280,683,280,379.20-280,059,459,846.30

Finding the Fourth Proportional to 853,818,924,563.45, 1,280,683,280,379.20 and 280,059,459,846.30

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Solution

The fourth proportional to 853,818,924,563.45, 1,280,683,280,379.20 and 280,059,459,846.30 is: 420,074,394,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818,924,563.45 : 1,280,683,280,379.20 = 280,059,459,846.30 : x
  2. Step 2: Convert to fraction form
    853,818,924,563.45/1,280,683,280,379.20 = 280,059,459,846.30/x
  3. Step 3: Cross multiply
    853,818,924,563.45x = 1,280,683,280,379.20 × 280,059,459,846.30
  4. Step 4: Simplify right side
    853,818,924,563.45x = 358,667,467,737,186,317,631,488
  5. Step 5: Solve for x
    x = 358,667,467,737,186,317,631,488/853,818,924,563.45
  6. Step 6: Final answer
    x = 420,074,394,486.59

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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.