Finding the Fourth Proportional to 260,973,245.18, 359,808,757.98 and 213,756,374.45
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Solution
The fourth proportional to 260,973,245.18, 359,808,757.98 and 213,756,374.45 is: 294,709,963.65
Step by Step Solution
- Step 1: Write the proportion equation
260,973,245.18 : 359,808,757.98 = 213,756,374.45 : x - Step 2: Convert to fraction form
260,973,245.18/359,808,757.98 = 213,756,374.45/x - Step 3: Cross multiply
260,973,245.18x = 359,808,757.98 × 213,756,374.45 - Step 4: Simplify right side
260,973,245.18x = 76,911,415,601,162,304 - Step 5: Solve for x
x = 76,911,415,601,162,304/260,973,245.18 - Step 6: Final answer
x = 294,709,963.65
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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.