Home / 742,883,574.45-1,114,330,110.20-218,250,530.49

Finding the Fourth Proportional to 742,883,574.45, 1,114,330,110.20 and 218,250,530.49

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Solution

The fourth proportional to 742,883,574.45, 1,114,330,110.20 and 218,250,530.49 is: 327,377,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,883,574.45 : 1,114,330,110.20 = 218,250,530.49 : x
  2. Step 2: Convert to fraction form
    742,883,574.45/1,114,330,110.20 = 218,250,530.49/x
  3. Step 3: Cross multiply
    742,883,574.45x = 1,114,330,110.20 × 218,250,530.49
  4. Step 4: Simplify right side
    742,883,574.45x = 243,203,137,697,247,360
  5. Step 5: Solve for x
    x = 243,203,137,697,247,360/742,883,574.45
  6. Step 6: Final answer
    x = 327,377,190.80

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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.