Finding the Fourth Proportional to 1,628,169,728.70, 2,442,254,593.05 and 975,135,027.90
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Solution
The fourth proportional to 1,628,169,728.70, 2,442,254,593.05 and 975,135,027.90 is: 1,462,702,541.85
Step by Step Solution
- Step 1: Write the proportion equation
1,628,169,728.70 : 2,442,254,593.05 = 975,135,027.90 : x - Step 2: Convert to fraction form
1,628,169,728.70/2,442,254,593.05 = 975,135,027.90/x - Step 3: Cross multiply
1,628,169,728.70x = 2,442,254,593.05 × 975,135,027.90 - Step 4: Simplify right side
1,628,169,728.70x = 2,381,528,000,732,715,008 - Step 5: Solve for x
x = 2,381,528,000,732,715,008/1,628,169,728.70 - Step 6: Final answer
x = 1,462,702,541.85
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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.