Finding the Fourth Proportional to 858,088,689.80, 1,287,133,034.70 and 283,660,017.80
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Solution
The fourth proportional to 858,088,689.80, 1,287,133,034.70 and 283,660,017.80 is: 425,490,026.70
Step by Step Solution
- Step 1: Write the proportion equation
858,088,689.80 : 1,287,133,034.70 = 283,660,017.80 : x - Step 2: Convert to fraction form
858,088,689.80/1,287,133,034.70 = 283,660,017.80/x - Step 3: Cross multiply
858,088,689.80x = 1,287,133,034.70 × 283,660,017.80 - Step 4: Simplify right side
858,088,689.80x = 365,108,179,533,970,048 - Step 5: Solve for x
x = 365,108,179,533,970,048/858,088,689.80 - Step 6: Final answer
x = 425,490,026.70
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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.