Home / 1,170,072,348.63-1,614,801,993.24-641,538,486.72

Finding the Fourth Proportional to 1,170,072,348.63, 1,614,801,993.24 and 641,538,486.72

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Solution

The fourth proportional to 1,170,072,348.63, 1,614,801,993.24 and 641,538,486.72 is: 885,379,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072,348.63 : 1,614,801,993.24 = 641,538,486.72 : x
  2. Step 2: Convert to fraction form
    1,170,072,348.63/1,614,801,993.24 = 641,538,486.72/x
  3. Step 3: Cross multiply
    1,170,072,348.63x = 1,614,801,993.24 × 641,538,486.72
  4. Step 4: Simplify right side
    1,170,072,348.63x = 1,035,957,627,095,629,312
  5. Step 5: Solve for x
    x = 1,035,957,627,095,629,312/1,170,072,348.63
  6. Step 6: Final answer
    x = 885,379,120.62

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Double scale
Find fourth proportional to 1,170,072,349.63, 1,614,801,994.62 and 641,538,487.72
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.