Home / 3,890,782,130.34-5,836,531,971.24-1,270,599,967.20

Finding the Fourth Proportional to 3,890,782,130.34, 5,836,531,971.24 and 1,270,599,967.20

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Solution

The fourth proportional to 3,890,782,130.34, 5,836,531,971.24 and 1,270,599,967.20 is: 1,906,017,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,782,130.34 : 5,836,531,971.24 = 1,270,599,967.20 : x
  2. Step 2: Convert to fraction form
    3,890,782,130.34/5,836,531,971.24 = 1,270,599,967.20/x
  3. Step 3: Cross multiply
    3,890,782,130.34x = 5,836,531,971.24 × 1,270,599,967.20
  4. Step 4: Simplify right side
    3,890,782,130.34x = 7,415,897,331,219,295,232
  5. Step 5: Solve for x
    x = 7,415,897,331,219,295,232/3,890,782,130.34
  6. Step 6: Final answer
    x = 1,906,017,115.01

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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.