Home / 853,818,924,556.38-1,280,683,280,368.60-280,059,459,839.23

Finding the Fourth Proportional to 853,818,924,556.38, 1,280,683,280,368.60 and 280,059,459,839.23

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Solution

The fourth proportional to 853,818,924,556.38, 1,280,683,280,368.60 and 280,059,459,839.23 is: 420,074,394,475.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818,924,556.38 : 1,280,683,280,368.60 = 280,059,459,839.23 : x
  2. Step 2: Convert to fraction form
    853,818,924,556.38/1,280,683,280,368.60 = 280,059,459,839.23/x
  3. Step 3: Cross multiply
    853,818,924,556.38x = 1,280,683,280,368.60 × 280,059,459,839.23
  4. Step 4: Simplify right side
    853,818,924,556.38x = 358,667,467,725,163,294,883,840
  5. Step 5: Solve for x
    x = 358,667,467,725,163,294,883,840/853,818,924,556.38
  6. Step 6: Final answer
    x = 420,074,394,475.99

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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.