Finding the Fourth Proportional to 985,665,927.52, 1,360,219,374.48 and 539,658,194.08
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Solution
The fourth proportional to 985,665,927.52, 1,360,219,374.48 and 539,658,194.08 is: 744,728,523.82
Step by Step Solution
- Step 1: Write the proportion equation
985,665,927.52 : 1,360,219,374.48 = 539,658,194.08 : x - Step 2: Convert to fraction form
985,665,927.52/1,360,219,374.48 = 539,658,194.08/x - Step 3: Cross multiply
985,665,927.52x = 1,360,219,374.48 × 539,658,194.08 - Step 4: Simplify right side
985,665,927.52x = 734,053,531,184,504,064 - Step 5: Solve for x
x = 734,053,531,184,504,064/985,665,927.52 - Step 6: Final answer
x = 744,728,523.82
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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.