Finding the Fourth Proportional to 971,574,920.66, 1,457,362,325.64 and 272,170,606.62
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Solution
The fourth proportional to 971,574,920.66, 1,457,362,325.64 and 272,170,606.62 is: 408,255,894.42
Step by Step Solution
- Step 1: Write the proportion equation
971,574,920.66 : 1,457,362,325.64 = 272,170,606.62 : x - Step 2: Convert to fraction form
971,574,920.66/1,457,362,325.64 = 272,170,606.62/x - Step 3: Cross multiply
971,574,920.66x = 1,457,362,325.64 × 272,170,606.62 - Step 4: Simplify right side
971,574,920.66x = 396,651,188,234,572,800 - Step 5: Solve for x
x = 396,651,188,234,572,800/971,574,920.66 - Step 6: Final answer
x = 408,255,894.42
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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.