Finding the Fourth Proportional to 260,973,243.68, 359,808,755.91 and 213,756,372.95
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Solution
The fourth proportional to 260,973,243.68, 359,808,755.91 and 213,756,372.95 is: 294,709,961.58
Step by Step Solution
- Step 1: Write the proportion equation
260,973,243.68 : 359,808,755.91 = 213,756,372.95 : x - Step 2: Convert to fraction form
260,973,243.68/359,808,755.91 = 213,756,372.95/x - Step 3: Cross multiply
260,973,243.68x = 359,808,755.91 × 213,756,372.95 - Step 4: Simplify right side
260,973,243.68x = 76,911,414,618,973,472 - Step 5: Solve for x
x = 76,911,414,618,973,472/260,973,243.68 - Step 6: Final answer
x = 294,709,961.58
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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.