Finding the Fourth Proportional to 1,758,121,604.80, 2,637,560,320.80 and 531,414,059.20
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Solution
The fourth proportional to 1,758,121,604.80, 2,637,560,320.80 and 531,414,059.20 is: 797,235,317.87
Step by Step Solution
- Step 1: Write the proportion equation
1,758,121,604.80 : 2,637,560,320.80 = 531,414,059.20 : x - Step 2: Convert to fraction form
1,758,121,604.80/2,637,560,320.80 = 531,414,059.20/x - Step 3: Cross multiply
1,758,121,604.80x = 2,637,560,320.80 × 531,414,059.20 - Step 4: Simplify right side
1,758,121,604.80x = 1,401,636,636,461,182,208 - Step 5: Solve for x
x = 1,401,636,636,461,182,208/1,758,121,604.80 - Step 6: Final answer
x = 797,235,317.87
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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.