Home / 1,158,887,512.40-1,738,331,268.60-886,789,720.40

Finding the Fourth Proportional to 1,158,887,512.40, 1,738,331,268.60 and 886,789,720.40

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Solution

The fourth proportional to 1,158,887,512.40, 1,738,331,268.60 and 886,789,720.40 is: 1,330,184,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,887,512.40 : 1,738,331,268.60 = 886,789,720.40 : x
  2. Step 2: Convert to fraction form
    1,158,887,512.40/1,738,331,268.60 = 886,789,720.40/x
  3. Step 3: Cross multiply
    1,158,887,512.40x = 1,738,331,268.60 × 886,789,720.40
  4. Step 4: Simplify right side
    1,158,887,512.40x = 1,541,534,299,644,371,200
  5. Step 5: Solve for x
    x = 1,541,534,299,644,371,200/1,158,887,512.40
  6. Step 6: Final answer
    x = 1,330,184,580.60

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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.