Finding the Fourth Proportional to 438,646,710.36, 605,311,693.26 and 262,531,741.08
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Solution
The fourth proportional to 438,646,710.36, 605,311,693.26 and 262,531,741.08 is: 362,281,373.54
Step by Step Solution
- Step 1: Write the proportion equation
438,646,710.36 : 605,311,693.26 = 262,531,741.08 : x - Step 2: Convert to fraction form
438,646,710.36/605,311,693.26 = 262,531,741.08/x - Step 3: Cross multiply
438,646,710.36x = 605,311,693.26 × 262,531,741.08 - Step 4: Simplify right side
438,646,710.36x = 158,913,532,727,630,720 - Step 5: Solve for x
x = 158,913,532,727,630,720/438,646,710.36 - Step 6: Final answer
x = 362,281,373.54
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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.