Finding the Fourth Proportional to 304,758,558.14, 420,559,656.80 and 179,318,878.88
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Solution
The fourth proportional to 304,758,558.14, 420,559,656.80 and 179,318,878.88 is: 247,455,843.79
Step by Step Solution
- Step 1: Write the proportion equation
304,758,558.14 : 420,559,656.80 = 179,318,878.88 : x - Step 2: Convert to fraction form
304,758,558.14/420,559,656.80 = 179,318,878.88/x - Step 3: Cross multiply
304,758,558.14x = 420,559,656.80 × 179,318,878.88 - Step 4: Simplify right side
304,758,558.14x = 75,414,286,156,534,176 - Step 5: Solve for x
x = 75,414,286,156,534,176/304,758,558.14 - Step 6: Final answer
x = 247,455,843.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.