Finding the Fourth Proportional to 1,728,664,057.68, 2,385,857,848.80 and 1,024,212,656.40
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Solution
The fourth proportional to 1,728,664,057.68, 2,385,857,848.80 and 1,024,212,656.40 is: 1,413,592,070.86
Step by Step Solution
- Step 1: Write the proportion equation
1,728,664,057.68 : 2,385,857,848.80 = 1,024,212,656.40 : x - Step 2: Convert to fraction form
1,728,664,057.68/2,385,857,848.80 = 1,024,212,656.40/x - Step 3: Cross multiply
1,728,664,057.68x = 2,385,857,848.80 × 1,024,212,656.40 - Step 4: Simplify right side
1,728,664,057.68x = 2,443,625,805,112,237,568 - Step 5: Solve for x
x = 2,443,625,805,112,237,568/1,728,664,057.68 - Step 6: Final answer
x = 1,413,592,070.86
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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.