Finding the Fourth Proportional to 971,916,787.16, 1,457,939,827.08 and 341,572,608.80
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Solution
The fourth proportional to 971,916,787.16, 1,457,939,827.08 and 341,572,608.80 is: 512,381,632.65
Step by Step Solution
- Step 1: Write the proportion equation
971,916,787.16 : 1,457,939,827.08 = 341,572,608.80 : x - Step 2: Convert to fraction form
971,916,787.16/1,457,939,827.08 = 341,572,608.80/x - Step 3: Cross multiply
971,916,787.16x = 1,457,939,827.08 × 341,572,608.80 - Step 4: Simplify right side
971,916,787.16x = 497,992,310,209,136,448 - Step 5: Solve for x
x = 497,992,310,209,136,448/971,916,787.16 - Step 6: Final answer
x = 512,381,632.65
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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.