Finding the Fourth Proportional to 2,165,583,925.80, 3,248,375,888.70 and 529,808,527.80
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Solution
The fourth proportional to 2,165,583,925.80, 3,248,375,888.70 and 529,808,527.80 is: 794,712,791.70
Step by Step Solution
- Step 1: Write the proportion equation
2,165,583,925.80 : 3,248,375,888.70 = 529,808,527.80 : x - Step 2: Convert to fraction form
2,165,583,925.80/3,248,375,888.70 = 529,808,527.80/x - Step 3: Cross multiply
2,165,583,925.80x = 3,248,375,888.70 × 529,808,527.80 - Step 4: Simplify right side
2,165,583,925.80x = 1,721,017,247,333,163,520 - Step 5: Solve for x
x = 1,721,017,247,333,163,520/2,165,583,925.80 - Step 6: Final answer
x = 794,712,791.70
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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.