Finding the Fourth Proportional to 260,973,246.18, 359,808,759.36 and 213,756,375.45
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Solution
The fourth proportional to 260,973,246.18, 359,808,759.36 and 213,756,375.45 is: 294,709,965.03
Step by Step Solution
- Step 1: Write the proportion equation
260,973,246.18 : 359,808,759.36 = 213,756,375.45 : x - Step 2: Convert to fraction form
260,973,246.18/359,808,759.36 = 213,756,375.45/x - Step 3: Cross multiply
260,973,246.18x = 359,808,759.36 × 213,756,375.45 - Step 4: Simplify right side
260,973,246.18x = 76,911,416,255,954,864 - Step 5: Solve for x
x = 76,911,416,255,954,864/260,973,246.18 - Step 6: Final answer
x = 294,709,965.03
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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.