Finding the Fourth Proportional to 1,898,244,156.93, 2,619,576,712.13 and 1,135,288,108.99
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Solution
The fourth proportional to 1,898,244,156.93, 2,619,576,712.13 and 1,135,288,108.99 is: 1,566,697,456.17
Step by Step Solution
- Step 1: Write the proportion equation
1,898,244,156.93 : 2,619,576,712.13 = 1,135,288,108.99 : x - Step 2: Convert to fraction form
1,898,244,156.93/2,619,576,712.13 = 1,135,288,108.99/x - Step 3: Cross multiply
1,898,244,156.93x = 2,619,576,712.13 × 1,135,288,108.99 - Step 4: Simplify right side
1,898,244,156.93x = 2,973,974,291,868,395,520 - Step 5: Solve for x
x = 2,973,974,291,868,395,520/1,898,244,156.93 - Step 6: Final answer
x = 1,566,697,456.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.