Finding the Fourth Proportional to 316,075,171.05, 474,276,232.80 and 229,351,688.37
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Solution
The fourth proportional to 316,075,171.05, 474,276,232.80 and 229,351,688.37 is: 344,146,154.81
Step by Step Solution
- Step 1: Write the proportion equation
316,075,171.05 : 474,276,232.80 = 229,351,688.37 : x - Step 2: Convert to fraction form
316,075,171.05/474,276,232.80 = 229,351,688.37/x - Step 3: Cross multiply
316,075,171.05x = 474,276,232.80 × 229,351,688.37 - Step 4: Simplify right side
316,075,171.05x = 108,776,054,746,443,184 - Step 5: Solve for x
x = 108,776,054,746,443,184/316,075,171.05 - Step 6: Final answer
x = 344,146,154.81
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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.