Finding the Fourth Proportional to 1,347,849,247.57, 1,860,103,811.99 and 753,148,168.13
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Solution
The fourth proportional to 1,347,849,247.57, 1,860,103,811.99 and 753,148,168.13 is: 1,039,384,620.40
Step by Step Solution
- Step 1: Write the proportion equation
1,347,849,247.57 : 1,860,103,811.99 = 753,148,168.13 : x - Step 2: Convert to fraction form
1,347,849,247.57/1,860,103,811.99 = 753,148,168.13/x - Step 3: Cross multiply
1,347,849,247.57x = 1,860,103,811.99 × 753,148,168.13 - Step 4: Simplify right side
1,347,849,247.57x = 1,400,933,778,538,469,632 - Step 5: Solve for x
x = 1,400,933,778,538,469,632/1,347,849,247.57 - Step 6: Final answer
x = 1,039,384,620.40
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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.