Finding the Fourth Proportional to 7,146,535,861.80, 10,719,803,792.70 and 2,172,248,101.80
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Solution
The fourth proportional to 7,146,535,861.80, 10,719,803,792.70 and 2,172,248,101.80 is: 3,258,372,152.70
Step by Step Solution
- Step 1: Write the proportion equation
7,146,535,861.80 : 10,719,803,792.70 = 2,172,248,101.80 : x - Step 2: Convert to fraction form
7,146,535,861.80/10,719,803,792.70 = 2,172,248,101.80/x - Step 3: Cross multiply
7,146,535,861.80x = 10,719,803,792.70 × 2,172,248,101.80 - Step 4: Simplify right side
7,146,535,861.80x = 23,286,073,440,361,021,440 - Step 5: Solve for x
x = 23,286,073,440,361,021,440/7,146,535,861.80 - Step 6: Final answer
x = 3,258,372,152.70
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1.5x scale
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.