Finding the Fourth Proportional to 5,324,604,748.80, 7,971,601,622.40 and 3,258,362,140.80
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Solution
The fourth proportional to 5,324,604,748.80, 7,971,601,622.40 and 3,258,362,140.80 is: 4,878,177,095.46
Step by Step Solution
- Step 1: Write the proportion equation
5,324,604,748.80 : 7,971,601,622.40 = 3,258,362,140.80 : x - Step 2: Convert to fraction form
5,324,604,748.80/7,971,601,622.40 = 3,258,362,140.80/x - Step 3: Cross multiply
5,324,604,748.80x = 7,971,601,622.40 × 3,258,362,140.80 - Step 4: Simplify right side
5,324,604,748.80x = 25,974,364,927,968,018,432 - Step 5: Solve for x
x = 25,974,364,927,968,018,432/5,324,604,748.80 - Step 6: Final answer
x = 4,878,177,095.46
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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.