Finding the Fourth Proportional to 558,558,266.36, 770,810,398.44 and 323,745,125.90
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Solution
The fourth proportional to 558,558,266.36, 770,810,398.44 and 323,745,125.90 is: 446,768,268.45
Step by Step Solution
- Step 1: Write the proportion equation
558,558,266.36 : 770,810,398.44 = 323,745,125.90 : x - Step 2: Convert to fraction form
558,558,266.36/770,810,398.44 = 323,745,125.90/x - Step 3: Cross multiply
558,558,266.36x = 770,810,398.44 × 323,745,125.90 - Step 4: Simplify right side
558,558,266.36x = 249,546,109,487,986,976 - Step 5: Solve for x
x = 249,546,109,487,986,976/558,558,266.36 - Step 6: Final answer
x = 446,768,268.45
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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.