Finding the Fourth Proportional to 3,158,654,343.28, 4,738,272,779.95 and 1,031,511,186.38
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Solution
The fourth proportional to 3,158,654,343.28, 4,738,272,779.95 and 1,031,511,186.38 is: 1,547,361,897.02
Step by Step Solution
- Step 1: Write the proportion equation
3,158,654,343.28 : 4,738,272,779.95 = 1,031,511,186.38 : x - Step 2: Convert to fraction form
3,158,654,343.28/4,738,272,779.95 = 1,031,511,186.38/x - Step 3: Cross multiply
3,158,654,343.28x = 4,738,272,779.95 × 1,031,511,186.38 - Step 4: Simplify right side
3,158,654,343.28x = 4,887,581,376,647,553,024 - Step 5: Solve for x
x = 4,887,581,376,647,553,024/3,158,654,343.28 - Step 6: Final answer
x = 1,547,361,897.02
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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.