Finding the Fourth Proportional to 1,706,645,209.18, 2,559,971,107.02 and 657,877,290.70
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Solution
The fourth proportional to 1,706,645,209.18, 2,559,971,107.02 and 657,877,290.70 is: 986,817,205.53
Step by Step Solution
- Step 1: Write the proportion equation
1,706,645,209.18 : 2,559,971,107.02 = 657,877,290.70 : x - Step 2: Convert to fraction form
1,706,645,209.18/2,559,971,107.02 = 657,877,290.70/x - Step 3: Cross multiply
1,706,645,209.18x = 2,559,971,107.02 × 657,877,290.70 - Step 4: Simplify right side
1,706,645,209.18x = 1,684,146,856,156,597,504 - Step 5: Solve for x
x = 1,684,146,856,156,597,504/1,706,645,209.18 - Step 6: Final answer
x = 986,817,205.53
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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.