Finding the Fourth Proportional to 329,177,481.84, 493,875,985.86 and 218,947,714.02
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Solution
The fourth proportional to 329,177,481.84, 493,875,985.86 and 218,947,714.02 is: 328,494,578.39
Step by Step Solution
- Step 1: Write the proportion equation
329,177,481.84 : 493,875,985.86 = 218,947,714.02 : x - Step 2: Convert to fraction form
329,177,481.84/493,875,985.86 = 218,947,714.02/x - Step 3: Cross multiply
329,177,481.84x = 493,875,985.86 × 218,947,714.02 - Step 4: Simplify right side
329,177,481.84x = 108,133,018,113,420,848 - Step 5: Solve for x
x = 108,133,018,113,420,848/329,177,481.84 - Step 6: Final answer
x = 328,494,578.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.