Finding the Fourth Proportional to 1,476,246,413.80, 2,212,857,966.30 and 862,514,727.40
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Solution
The fourth proportional to 1,476,246,413.80, 2,212,857,966.30 and 862,514,727.40 is: 1,292,888,888.83
Step by Step Solution
- Step 1: Write the proportion equation
1,476,246,413.80 : 2,212,857,966.30 = 862,514,727.40 : x - Step 2: Convert to fraction form
1,476,246,413.80/2,212,857,966.30 = 862,514,727.40/x - Step 3: Cross multiply
1,476,246,413.80x = 2,212,857,966.30 × 862,514,727.40 - Step 4: Simplify right side
1,476,246,413.80x = 1,908,622,585,578,162,944 - Step 5: Solve for x
x = 1,908,622,585,578,162,944/1,476,246,413.80 - Step 6: Final answer
x = 1,292,888,888.83
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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.