Finding the Fourth Proportional to 1,053,348,004.80, 1,579,543,710.30 and 398,081,251.80
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Solution
The fourth proportional to 1,053,348,004.80, 1,579,543,710.30 and 398,081,251.80 is: 596,941,119.75
Step by Step Solution
- Step 1: Write the proportion equation
1,053,348,004.80 : 1,579,543,710.30 = 398,081,251.80 : x - Step 2: Convert to fraction form
1,053,348,004.80/1,579,543,710.30 = 398,081,251.80/x - Step 3: Cross multiply
1,053,348,004.80x = 1,579,543,710.30 × 398,081,251.80 - Step 4: Simplify right side
1,053,348,004.80x = 628,786,737,469,040,512 - Step 5: Solve for x
x = 628,786,737,469,040,512/1,053,348,004.80 - Step 6: Final answer
x = 596,941,119.75
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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.