Finding the Fourth Proportional to 2,018,520,170.70, 3,029,134,446.45 and 708,419,690.70
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Solution
The fourth proportional to 2,018,520,170.70, 3,029,134,446.45 and 708,419,690.70 is: 1,063,104,802.61
Step by Step Solution
- Step 1: Write the proportion equation
2,018,520,170.70 : 3,029,134,446.45 = 708,419,690.70 : x - Step 2: Convert to fraction form
2,018,520,170.70/3,029,134,446.45 = 708,419,690.70/x - Step 3: Cross multiply
2,018,520,170.70x = 3,029,134,446.45 × 708,419,690.70 - Step 4: Simplify right side
2,018,520,170.70x = 2,145,898,487,642,824,704 - Step 5: Solve for x
x = 2,145,898,487,642,824,704/2,018,520,170.70 - Step 6: Final answer
x = 1,063,104,802.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.