Finding the Fourth Proportional to 1,457,362,373.49, 2,186,043,477.21 and 408,255,902.42
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Solution
The fourth proportional to 1,457,362,373.49, 2,186,043,477.21 and 408,255,902.42 is: 612,383,830.36
Step by Step Solution
- Step 1: Write the proportion equation
1,457,362,373.49 : 2,186,043,477.21 = 408,255,902.42 : x - Step 2: Convert to fraction form
1,457,362,373.49/2,186,043,477.21 = 408,255,902.42/x - Step 3: Cross multiply
1,457,362,373.49x = 2,186,043,477.21 × 408,255,902.42 - Step 4: Simplify right side
1,457,362,373.49x = 892,465,152,506,793,088 - Step 5: Solve for x
x = 892,465,152,506,793,088/1,457,362,373.49 - Step 6: Final answer
x = 612,383,830.36
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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.