Home / 1,638,795,636.70-2,458,193,455.05-1,449,390,064.30

Finding the Fourth Proportional to 1,638,795,636.70, 2,458,193,455.05 and 1,449,390,064.30

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Solution

The fourth proportional to 1,638,795,636.70, 2,458,193,455.05 and 1,449,390,064.30 is: 2,174,085,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,795,636.70 : 2,458,193,455.05 = 1,449,390,064.30 : x
  2. Step 2: Convert to fraction form
    1,638,795,636.70/2,458,193,455.05 = 1,449,390,064.30/x
  3. Step 3: Cross multiply
    1,638,795,636.70x = 2,458,193,455.05 × 1,449,390,064.30
  4. Step 4: Simplify right side
    1,638,795,636.70x = 3,562,881,169,876,759,040
  5. Step 5: Solve for x
    x = 3,562,881,169,876,759,040/1,638,795,636.70
  6. Step 6: Final answer
    x = 2,174,085,096.45

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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.