Finding the Fourth Proportional to 887,886,770.28, 1,225,286,364.84 and 491,437,295.52
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Solution
The fourth proportional to 887,886,770.28, 1,225,286,364.84 and 491,437,295.52 is: 678,184,918.99
Step by Step Solution
- Step 1: Write the proportion equation
887,886,770.28 : 1,225,286,364.84 = 491,437,295.52 : x - Step 2: Convert to fraction form
887,886,770.28/1,225,286,364.84 = 491,437,295.52/x - Step 3: Cross multiply
887,886,770.28x = 1,225,286,364.84 × 491,437,295.52 - Step 4: Simplify right side
887,886,770.28x = 602,151,417,374,501,504 - Step 5: Solve for x
x = 602,151,417,374,501,504/887,886,770.28 - Step 6: Final answer
x = 678,184,918.99
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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.