Finding the Fourth Proportional to 425,114,487.12, 586,644,107.40 and 268,564,944.72
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Solution
The fourth proportional to 425,114,487.12, 586,644,107.40 and 268,564,944.72 is: 370,610,852.01
Step by Step Solution
- Step 1: Write the proportion equation
425,114,487.12 : 586,644,107.40 = 268,564,944.72 : x - Step 2: Convert to fraction form
425,114,487.12/586,644,107.40 = 268,564,944.72/x - Step 3: Cross multiply
425,114,487.12x = 586,644,107.40 × 268,564,944.72 - Step 4: Simplify right side
425,114,487.12x = 157,552,042,274,194,752 - Step 5: Solve for x
x = 157,552,042,274,194,752/425,114,487.12 - Step 6: Final answer
x = 370,610,852.01
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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.