Finding the Fourth Proportional to 1,875,103,771.08, 2,812,381,861.84 and 546,774,859.32
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Solution
The fourth proportional to 1,875,103,771.08, 2,812,381,861.84 and 546,774,859.32 is: 820,082,451.21
Step by Step Solution
- Step 1: Write the proportion equation
1,875,103,771.08 : 2,812,381,861.84 = 546,774,859.32 : x - Step 2: Convert to fraction form
1,875,103,771.08/2,812,381,861.84 = 546,774,859.32/x - Step 3: Cross multiply
1,875,103,771.08x = 2,812,381,861.84 × 546,774,859.32 - Step 4: Simplify right side
1,875,103,771.08x = 1,537,739,696,861,686,016 - Step 5: Solve for x
x = 1,537,739,696,861,686,016/1,875,103,771.08 - Step 6: Final answer
x = 820,082,451.21
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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.