Finding the Fourth Proportional to 459,226,756.02, 633,990,811.00 and 318,302,774.58
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Solution
The fourth proportional to 459,226,756.02, 633,990,811.00 and 318,302,774.58 is: 439,436,578.02
Step by Step Solution
- Step 1: Write the proportion equation
459,226,756.02 : 633,990,811.00 = 318,302,774.58 : x - Step 2: Convert to fraction form
459,226,756.02/633,990,811.00 = 318,302,774.58/x - Step 3: Cross multiply
459,226,756.02x = 633,990,811.00 × 318,302,774.58 - Step 4: Simplify right side
459,226,756.02x = 201,801,034,201,701,312 - Step 5: Solve for x
x = 201,801,034,201,701,312/459,226,756.02 - Step 6: Final answer
x = 439,436,578.02
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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.