Finding the Fourth Proportional to 1,476,246,129.80, 2,212,857,540.30 and 862,514,443.40
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Solution
The fourth proportional to 1,476,246,129.80, 2,212,857,540.30 and 862,514,443.40 is: 1,292,888,462.95
Step by Step Solution
- Step 1: Write the proportion equation
1,476,246,129.80 : 2,212,857,540.30 = 862,514,443.40 : x - Step 2: Convert to fraction form
1,476,246,129.80/2,212,857,540.30 = 862,514,443.40/x - Step 3: Cross multiply
1,476,246,129.80x = 2,212,857,540.30 × 862,514,443.40 - Step 4: Simplify right side
1,476,246,129.80x = 1,908,621,589,695,347,712 - Step 5: Solve for x
x = 1,908,621,589,695,347,712/1,476,246,129.80 - Step 6: Final answer
x = 1,292,888,462.95
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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.