Home / 326,885,965,270.40-490,328,947,905.60-260,766,201,814.40

Finding the Fourth Proportional to 326,885,965,270.40, 490,328,947,905.60 and 260,766,201,814.40

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Solution

The fourth proportional to 326,885,965,270.40, 490,328,947,905.60 and 260,766,201,814.40 is: 391,149,302,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,885,965,270.40 : 490,328,947,905.60 = 260,766,201,814.40 : x
  2. Step 2: Convert to fraction form
    326,885,965,270.40/490,328,947,905.60 = 260,766,201,814.40/x
  3. Step 3: Cross multiply
    326,885,965,270.40x = 490,328,947,905.60 × 260,766,201,814.40
  4. Step 4: Simplify right side
    326,885,965,270.40x = 127,861,217,384,994,107,817,984
  5. Step 5: Solve for x
    x = 127,861,217,384,994,107,817,984/326,885,965,270.40
  6. Step 6: Final answer
    x = 391,149,302,721.60

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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.