Home / 682,858,436.04-942,244,341.66-381,406,602.60

Finding the Fourth Proportional to 682,858,436.04, 942,244,341.66 and 381,406,602.60

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Solution

The fourth proportional to 682,858,436.04, 942,244,341.66 and 381,406,602.60 is: 526,285,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,858,436.04 : 942,244,341.66 = 381,406,602.60 : x
  2. Step 2: Convert to fraction form
    682,858,436.04/942,244,341.66 = 381,406,602.60/x
  3. Step 3: Cross multiply
    682,858,436.04x = 942,244,341.66 × 381,406,602.60
  4. Step 4: Simplify right side
    682,858,436.04x = 359,378,213,171,614,272
  5. Step 5: Solve for x
    x = 359,378,213,171,614,272/682,858,436.04
  6. Step 6: Final answer
    x = 526,285,089.57

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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.