Home / 688,991,003,969.40-1,033,486,505,954.10-185,912,584,986.60

Finding the Fourth Proportional to 688,991,003,969.40, 1,033,486,505,954.10 and 185,912,584,986.60

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Solution

The fourth proportional to 688,991,003,969.40, 1,033,486,505,954.10 and 185,912,584,986.60 is: 278,868,877,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,991,003,969.40 : 1,033,486,505,954.10 = 185,912,584,986.60 : x
  2. Step 2: Convert to fraction form
    688,991,003,969.40/1,033,486,505,954.10 = 185,912,584,986.60/x
  3. Step 3: Cross multiply
    688,991,003,969.40x = 1,033,486,505,954.10 × 185,912,584,986.60
  4. Step 4: Simplify right side
    688,991,003,969.40x = 192,138,147,870,695,904,772,096
  5. Step 5: Solve for x
    x = 192,138,147,870,695,904,772,096/688,991,003,969.40
  6. Step 6: Final answer
    x = 278,868,877,479.90

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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.