Finding the Fourth Proportional to 314,953,905.30, 472,430,857.95 and 284,342,903.70
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Solution
The fourth proportional to 314,953,905.30, 472,430,857.95 and 284,342,903.70 is: 426,514,355.55
Step by Step Solution
- Step 1: Write the proportion equation
314,953,905.30 : 472,430,857.95 = 284,342,903.70 : x - Step 2: Convert to fraction form
314,953,905.30/472,430,857.95 = 284,342,903.70/x - Step 3: Cross multiply
314,953,905.30x = 472,430,857.95 × 284,342,903.70 - Step 4: Simplify right side
314,953,905.30x = 134,332,361,946,985,216 - Step 5: Solve for x
x = 134,332,361,946,985,216/314,953,905.30 - Step 6: Final answer
x = 426,514,355.55
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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.