Finding the Fourth Proportional to 1,678,592,872.08, 2,316,460,394.88 and 925,889,167.44
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Solution
The fourth proportional to 1,678,592,872.08, 2,316,460,394.88 and 925,889,167.44 is: 1,277,728,281.88
Step by Step Solution
- Step 1: Write the proportion equation
1,678,592,872.08 : 2,316,460,394.88 = 925,889,167.44 : x - Step 2: Convert to fraction form
1,678,592,872.08/2,316,460,394.88 = 925,889,167.44/x - Step 3: Cross multiply
1,678,592,872.08x = 2,316,460,394.88 × 925,889,167.44 - Step 4: Simplify right side
1,678,592,872.08x = 2,144,785,586,423,176,960 - Step 5: Solve for x
x = 2,144,785,586,423,176,960/1,678,592,872.08 - Step 6: Final answer
x = 1,277,728,281.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.