Finding the Fourth Proportional to 1,146,201,767.92, 1,719,639,974.64 and 369,832,864.24
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Solution
The fourth proportional to 1,146,201,767.92, 1,719,639,974.64 and 369,832,864.24 is: 554,858,136.75
Step by Step Solution
- Step 1: Write the proportion equation
1,146,201,767.92 : 1,719,639,974.64 = 369,832,864.24 : x - Step 2: Convert to fraction form
1,146,201,767.92/1,719,639,974.64 = 369,832,864.24/x - Step 3: Cross multiply
1,146,201,767.92x = 1,719,639,974.64 × 369,832,864.24 - Step 4: Simplify right side
1,146,201,767.92x = 635,979,377,282,712,192 - Step 5: Solve for x
x = 635,979,377,282,712,192/1,146,201,767.92 - Step 6: Final answer
x = 554,858,136.75
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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.