Finding the Fourth Proportional to 622,351,534.58, 858,894,075.97 and 354,438,695.26
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Solution
The fourth proportional to 622,351,534.58, 858,894,075.97 and 354,438,695.26 is: 489,153,281.93
Step by Step Solution
- Step 1: Write the proportion equation
622,351,534.58 : 858,894,075.97 = 354,438,695.26 : x - Step 2: Convert to fraction form
622,351,534.58/858,894,075.97 = 354,438,695.26/x - Step 3: Cross multiply
622,351,534.58x = 858,894,075.97 × 354,438,695.26 - Step 4: Simplify right side
622,351,534.58x = 304,425,295,650,316,800 - Step 5: Solve for x
x = 304,425,295,650,316,800/622,351,534.58 - Step 6: Final answer
x = 489,153,281.93
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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.