Finding the Fourth Proportional to 442,607,956.09, 663,866,437.57 and 147,471,198.93
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Solution
The fourth proportional to 442,607,956.09, 663,866,437.57 and 147,471,198.93 is: 221,191,639.53
Step by Step Solution
- Step 1: Write the proportion equation
442,607,956.09 : 663,866,437.57 = 147,471,198.93 : x - Step 2: Convert to fraction form
442,607,956.09/663,866,437.57 = 147,471,198.93/x - Step 3: Cross multiply
442,607,956.09x = 663,866,437.57 × 147,471,198.93 - Step 4: Simplify right side
442,607,956.09x = 97,901,179,477,835,904 - Step 5: Solve for x
x = 97,901,179,477,835,904/442,607,956.09 - Step 6: Final answer
x = 221,191,639.53
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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.