Finding the Fourth Proportional to 743,698,516.86, 1,115,683,952.49 and 306,760,838.94
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Solution
The fourth proportional to 743,698,516.86, 1,115,683,952.49 and 306,760,838.94 is: 460,197,428.80
Step by Step Solution
- Step 1: Write the proportion equation
743,698,516.86 : 1,115,683,952.49 = 306,760,838.94 : x - Step 2: Convert to fraction form
743,698,516.86/1,115,683,952.49 = 306,760,838.94/x - Step 3: Cross multiply
743,698,516.86x = 1,115,683,952.49 × 306,760,838.94 - Step 4: Simplify right side
743,698,516.86x = 342,248,145,257,727,488 - Step 5: Solve for x
x = 342,248,145,257,727,488/743,698,516.86 - Step 6: Final answer
x = 460,197,428.80
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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.