Finding the Fourth Proportional to 1,406,291,957.02, 1,940,504,529.85 and 771,045,284.97
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Solution
The fourth proportional to 1,406,291,957.02, 1,940,504,529.85 and 771,045,284.97 is: 1,063,944,695.65
Step by Step Solution
- Step 1: Write the proportion equation
1,406,291,957.02 : 1,940,504,529.85 = 771,045,284.97 : x - Step 2: Convert to fraction form
1,406,291,957.02/1,940,504,529.85 = 771,045,284.97/x - Step 3: Cross multiply
1,406,291,957.02x = 1,940,504,529.85 × 771,045,284.97 - Step 4: Simplify right side
1,406,291,957.02x = 1,496,216,868,203,769,088 - Step 5: Solve for x
x = 1,496,216,868,203,769,088/1,406,291,957.02 - Step 6: Final answer
x = 1,063,944,695.65
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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.