Finding the Fourth Proportional to 517,498,063.72, 776,262,853.88 and 202,351,508.80
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Solution
The fourth proportional to 517,498,063.72, 776,262,853.88 and 202,351,508.80 is: 303,533,424.99
Step by Step Solution
- Step 1: Write the proportion equation
517,498,063.72 : 776,262,853.88 = 202,351,508.80 : x - Step 2: Convert to fraction form
517,498,063.72/776,262,853.88 = 202,351,508.80/x - Step 3: Cross multiply
517,498,063.72x = 776,262,853.88 × 202,351,508.80 - Step 4: Simplify right side
517,498,063.72x = 157,077,959,708,011,936 - Step 5: Solve for x
x = 157,077,959,708,011,936/517,498,063.72 - Step 6: Final answer
x = 303,533,424.99
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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.