Finding the Fourth Proportional to 4,771,286,358.46, 7,154,535,063.84 and 2,779,971,949.20
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Solution
The fourth proportional to 4,771,286,358.46, 7,154,535,063.84 and 2,779,971,949.20 is: 4,168,562,792.67
Step by Step Solution
- Step 1: Write the proportion equation
4,771,286,358.46 : 7,154,535,063.84 = 2,779,971,949.20 : x - Step 2: Convert to fraction form
4,771,286,358.46/7,154,535,063.84 = 2,779,971,949.20/x - Step 3: Cross multiply
4,771,286,358.46x = 7,154,535,063.84 × 2,779,971,949.20 - Step 4: Simplify right side
4,771,286,358.46x = 19,889,406,787,059,933,184 - Step 5: Solve for x
x = 19,889,406,787,059,933,184/4,771,286,358.46 - Step 6: Final answer
x = 4,168,562,792.67
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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.