Finding the Fourth Proportional to 304,768,138.84, 420,583,439.82 and 179,348,062.84
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Solution
The fourth proportional to 304,768,138.84, 420,583,439.82 and 179,348,062.84 is: 247,502,332.37
Step by Step Solution
- Step 1: Write the proportion equation
304,768,138.84 : 420,583,439.82 = 179,348,062.84 : x - Step 2: Convert to fraction form
304,768,138.84/420,583,439.82 = 179,348,062.84/x - Step 3: Cross multiply
304,768,138.84x = 420,583,439.82 × 179,348,062.84 - Step 4: Simplify right side
304,768,138.84x = 75,430,825,194,300,720 - Step 5: Solve for x
x = 75,430,825,194,300,720/304,768,138.84 - Step 6: Final answer
x = 247,502,332.37
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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.