Finding the Fourth Proportional to 328,612,305.84, 492,135,966.93 and 190,146,100.65
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Solution
The fourth proportional to 328,612,305.84, 492,135,966.93 and 190,146,100.65 is: 284,766,374.96
Step by Step Solution
- Step 1: Write the proportion equation
328,612,305.84 : 492,135,966.93 = 190,146,100.65 : x - Step 2: Convert to fraction form
328,612,305.84/492,135,966.93 = 190,146,100.65/x - Step 3: Cross multiply
328,612,305.84x = 492,135,966.93 × 190,146,100.65 - Step 4: Simplify right side
328,612,305.84x = 93,577,735,101,356,848 - Step 5: Solve for x
x = 93,577,735,101,356,848/328,612,305.84 - Step 6: Final answer
x = 284,766,374.96
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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.