Finding the Fourth Proportional to 399,176,364.80, 598,764,547.20 and 184,185,516.80
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Solution
The fourth proportional to 399,176,364.80, 598,764,547.20 and 184,185,516.80 is: 276,278,275.20
Step by Step Solution
- Step 1: Write the proportion equation
399,176,364.80 : 598,764,547.20 = 184,185,516.80 : x - Step 2: Convert to fraction form
399,176,364.80/598,764,547.20 = 184,185,516.80/x - Step 3: Cross multiply
399,176,364.80x = 598,764,547.20 × 184,185,516.80 - Step 4: Simplify right side
399,176,364.80x = 110,283,757,567,550,016 - Step 5: Solve for x
x = 110,283,757,567,550,016/399,176,364.80 - Step 6: Final answer
x = 276,278,275.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.