Finding the Fourth Proportional to 1,529,554,982.60, 2,294,328,974.22 and 655,589,658.44
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Solution
The fourth proportional to 1,529,554,982.60, 2,294,328,974.22 and 655,589,658.44 is: 983,382,987.65
Step by Step Solution
- Step 1: Write the proportion equation
1,529,554,982.60 : 2,294,328,974.22 = 655,589,658.44 : x - Step 2: Convert to fraction form
1,529,554,982.60/2,294,328,974.22 = 655,589,658.44/x - Step 3: Cross multiply
1,529,554,982.60x = 2,294,328,974.22 × 655,589,658.44 - Step 4: Simplify right side
1,529,554,982.60x = 1,504,138,348,557,885,440 - Step 5: Solve for x
x = 1,504,138,348,557,885,440/1,529,554,982.60 - Step 6: Final answer
x = 983,382,987.65
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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.