Finding the Fourth Proportional to 806,084,979.18, 1,112,740,511.49 and 541,920,178.14
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Solution
The fourth proportional to 806,084,979.18, 1,112,740,511.49 and 541,920,178.14 is: 748,080,601.66
Step by Step Solution
- Step 1: Write the proportion equation
806,084,979.18 : 1,112,740,511.49 = 541,920,178.14 : x - Step 2: Convert to fraction form
806,084,979.18/1,112,740,511.49 = 541,920,178.14/x - Step 3: Cross multiply
806,084,979.18x = 1,112,740,511.49 × 541,920,178.14 - Step 4: Simplify right side
806,084,979.18x = 603,016,536,210,255,488 - Step 5: Solve for x
x = 603,016,536,210,255,488/806,084,979.18 - Step 6: Final answer
x = 748,080,601.66
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1.5x scale
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.