Finding the Fourth Proportional to 946,898,626,988.58, 1,420,347,913,034.20 and 436,806,474,221.94
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Solution
The fourth proportional to 946,898,626,988.58, 1,420,347,913,034.20 and 436,806,474,221.94 is: 655,209,698,670.78
Step by Step Solution
- Step 1: Write the proportion equation
946,898,626,988.58 : 1,420,347,913,034.20 = 436,806,474,221.94 : x - Step 2: Convert to fraction form
946,898,626,988.58/1,420,347,913,034.20 = 436,806,474,221.94/x - Step 3: Cross multiply
946,898,626,988.58x = 1,420,347,913,034.20 × 436,806,474,221.94 - Step 4: Simplify right side
946,898,626,988.58x = 620,417,164,060,959,602,376,704 - Step 5: Solve for x
x = 620,417,164,060,959,602,376,704/946,898,626,988.58 - Step 6: Final answer
x = 655,209,698,670.78
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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.