Finding the Fourth Proportional to 1,775,584,704.40, 2,663,377,056.60 and 959,291,328.40
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Solution
The fourth proportional to 1,775,584,704.40, 2,663,377,056.60 and 959,291,328.40 is: 1,438,936,992.60
Step by Step Solution
- Step 1: Write the proportion equation
1,775,584,704.40 : 2,663,377,056.60 = 959,291,328.40 : x - Step 2: Convert to fraction form
1,775,584,704.40/2,663,377,056.60 = 959,291,328.40/x - Step 3: Cross multiply
1,775,584,704.40x = 2,663,377,056.60 × 959,291,328.40 - Step 4: Simplify right side
1,775,584,704.40x = 2,554,954,514,655,896,064 - Step 5: Solve for x
x = 2,554,954,514,655,896,064/1,775,584,704.40 - Step 6: Final answer
x = 1,438,936,992.60
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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.