Finding the Fourth Proportional to 343,127,702.79, 473,521,025.30 and 186,494,762.79
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Solution
The fourth proportional to 343,127,702.79, 473,521,025.30 and 186,494,762.79 is: 257,365,379.05
Step by Step Solution
- Step 1: Write the proportion equation
343,127,702.79 : 473,521,025.30 = 186,494,762.79 : x - Step 2: Convert to fraction form
343,127,702.79/473,521,025.30 = 186,494,762.79/x - Step 3: Cross multiply
343,127,702.79x = 473,521,025.30 × 186,494,762.79 - Step 4: Simplify right side
343,127,702.79x = 88,309,191,289,401,088 - Step 5: Solve for x
x = 88,309,191,289,401,088/343,127,702.79 - Step 6: Final answer
x = 257,365,379.05
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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.