Finding the Fourth Proportional to 983,318,842.29, 1,356,939,622.95 and 537,297,516.96
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Solution
The fourth proportional to 983,318,842.29, 1,356,939,622.95 and 537,297,516.96 is: 741,448,509.60
Step by Step Solution
- Step 1: Write the proportion equation
983,318,842.29 : 1,356,939,622.95 = 537,297,516.96 : x - Step 2: Convert to fraction form
983,318,842.29/1,356,939,622.95 = 537,297,516.96/x - Step 3: Cross multiply
983,318,842.29x = 1,356,939,622.95 × 537,297,516.96 - Step 4: Simplify right side
983,318,842.29x = 729,080,290,075,673,728 - Step 5: Solve for x
x = 729,080,290,075,673,728/983,318,842.29 - Step 6: Final answer
x = 741,448,509.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.