Finding the Fourth Proportional to 559,638,174.08, 772,302,050.88 and 312,135,559.04
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Solution
The fourth proportional to 559,638,174.08, 772,302,050.88 and 312,135,559.04 is: 430,747,835.95
Step by Step Solution
- Step 1: Write the proportion equation
559,638,174.08 : 772,302,050.88 = 312,135,559.04 : x - Step 2: Convert to fraction form
559,638,174.08/772,302,050.88 = 312,135,559.04/x - Step 3: Cross multiply
559,638,174.08x = 772,302,050.88 × 312,135,559.04 - Step 4: Simplify right side
559,638,174.08x = 241,062,932,399,167,328 - Step 5: Solve for x
x = 241,062,932,399,167,328/559,638,174.08 - Step 6: Final answer
x = 430,747,835.95
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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.