Finding the Fourth Proportional to 368,736,331.80, 553,104,497.70 and 252,510,185.10
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Solution
The fourth proportional to 368,736,331.80, 553,104,497.70 and 252,510,185.10 is: 378,765,277.65
Step by Step Solution
- Step 1: Write the proportion equation
368,736,331.80 : 553,104,497.70 = 252,510,185.10 : x - Step 2: Convert to fraction form
368,736,331.80/553,104,497.70 = 252,510,185.10/x - Step 3: Cross multiply
368,736,331.80x = 553,104,497.70 × 252,510,185.10 - Step 4: Simplify right side
368,736,331.80x = 139,664,519,093,869,536 - Step 5: Solve for x
x = 139,664,519,093,869,536/368,736,331.80 - Step 6: Final answer
x = 378,765,277.65
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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.