Finding the Fourth Proportional to 402,970,232.70, 603,447,579.45 and 322,348,664.70
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Solution
The fourth proportional to 402,970,232.70, 603,447,579.45 and 322,348,664.70 is: 482,716,850.20
Step by Step Solution
- Step 1: Write the proportion equation
402,970,232.70 : 603,447,579.45 = 322,348,664.70 : x - Step 2: Convert to fraction form
402,970,232.70/603,447,579.45 = 322,348,664.70/x - Step 3: Cross multiply
402,970,232.70x = 603,447,579.45 × 322,348,664.70 - Step 4: Simplify right side
402,970,232.70x = 194,520,521,452,154,656 - Step 5: Solve for x
x = 194,520,521,452,154,656/402,970,232.70 - Step 6: Final answer
x = 482,716,850.20
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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.