Finding the Fourth Proportional to 480,731,626.17, 663,409,643.99 and 260,715,052.17
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Solution
The fourth proportional to 480,731,626.17, 663,409,643.99 and 260,715,052.17 is: 359,786,771.92
Step by Step Solution
- Step 1: Write the proportion equation
480,731,626.17 : 663,409,643.99 = 260,715,052.17 : x - Step 2: Convert to fraction form
480,731,626.17/663,409,643.99 = 260,715,052.17/x - Step 3: Cross multiply
480,731,626.17x = 663,409,643.99 × 260,715,052.17 - Step 4: Simplify right side
480,731,626.17x = 172,960,879,941,630,400 - Step 5: Solve for x
x = 172,960,879,941,630,400/480,731,626.17 - Step 6: Final answer
x = 359,786,771.92
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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.