Finding the Fourth Proportional to 1,379,220,607.99, 1,904,408,913.58 and 1,110,442,657.69
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Solution
The fourth proportional to 1,379,220,607.99, 1,904,408,913.58 and 1,110,442,657.69 is: 1,533,284,003.35
Step by Step Solution
- Step 1: Write the proportion equation
1,379,220,607.99 : 1,904,408,913.58 = 1,110,442,657.69 : x - Step 2: Convert to fraction form
1,379,220,607.99/1,904,408,913.58 = 1,110,442,657.69/x - Step 3: Cross multiply
1,379,220,607.99x = 1,904,408,913.58 × 1,110,442,657.69 - Step 4: Simplify right side
1,379,220,607.99x = 2,114,736,895,324,300,800 - Step 5: Solve for x
x = 2,114,736,895,324,300,800/1,379,220,607.99 - Step 6: Final answer
x = 1,533,284,003.35
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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.