Home / 1,403,910,334.90-1,939,414,291.80-1,121,281,707.26

Finding the Fourth Proportional to 1,403,910,334.90, 1,939,414,291.80 and 1,121,281,707.26

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Solution

The fourth proportional to 1,403,910,334.90, 1,939,414,291.80 and 1,121,281,707.26 is: 1,548,980,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,910,334.90 : 1,939,414,291.80 = 1,121,281,707.26 : x
  2. Step 2: Convert to fraction form
    1,403,910,334.90/1,939,414,291.80 = 1,121,281,707.26/x
  3. Step 3: Cross multiply
    1,403,910,334.90x = 1,939,414,291.80 × 1,121,281,707.26
  4. Step 4: Simplify right side
    1,403,910,334.90x = 2,174,629,768,193,947,648
  5. Step 5: Solve for x
    x = 2,174,629,768,193,947,648/1,403,910,334.90
  6. Step 6: Final answer
    x = 1,548,980,525.42

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Double scale
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1.5x scale

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.