Finding the Fourth Proportional to 2,493,161,774.24, 3,440,537,739.28 and 1,379,335,839.98
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Solution
The fourth proportional to 2,493,161,774.24, 3,440,537,739.28 and 1,379,335,839.98 is: 1,903,469,346.28
Step by Step Solution
- Step 1: Write the proportion equation
2,493,161,774.24 : 3,440,537,739.28 = 1,379,335,839.98 : x - Step 2: Convert to fraction form
2,493,161,774.24/3,440,537,739.28 = 1,379,335,839.98/x - Step 3: Cross multiply
2,493,161,774.24x = 3,440,537,739.28 × 1,379,335,839.98 - Step 4: Simplify right side
2,493,161,774.24x = 4,745,657,012,588,803,072 - Step 5: Solve for x
x = 4,745,657,012,588,803,072/2,493,161,774.24 - Step 6: Final answer
x = 1,903,469,346.28
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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.