Finding the Fourth Proportional to 1,146,201,715.80, 1,719,639,896.58 and 369,832,812.12
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Solution
The fourth proportional to 1,146,201,715.80, 1,719,639,896.58 and 369,832,812.12 is: 554,858,058.59
Step by Step Solution
- Step 1: Write the proportion equation
1,146,201,715.80 : 1,719,639,896.58 = 369,832,812.12 : x - Step 2: Convert to fraction form
1,146,201,715.80/1,719,639,896.58 = 369,832,812.12/x - Step 3: Cross multiply
1,146,201,715.80x = 1,719,639,896.58 × 369,832,812.12 - Step 4: Simplify right side
1,146,201,715.80x = 635,979,258,785,927,296 - Step 5: Solve for x
x = 635,979,258,785,927,296/1,146,201,715.80 - Step 6: Final answer
x = 554,858,058.59
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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.