Finding the Fourth Proportional to 1,080,474,371.06, 1,490,939,841.09 and 597,589,587.90
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Solution
The fourth proportional to 1,080,474,371.06, 1,490,939,841.09 and 597,589,587.90 is: 824,610,142.61
Step by Step Solution
- Step 1: Write the proportion equation
1,080,474,371.06 : 1,490,939,841.09 = 597,589,587.90 : x - Step 2: Convert to fraction form
1,080,474,371.06/1,490,939,841.09 = 597,589,587.90/x - Step 3: Cross multiply
1,080,474,371.06x = 1,490,939,841.09 × 597,589,587.90 - Step 4: Simplify right side
1,080,474,371.06x = 890,970,125,210,221,952 - Step 5: Solve for x
x = 890,970,125,210,221,952/1,080,474,371.06 - Step 6: Final answer
x = 824,610,142.61
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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.