Finding the Fourth Proportional to 1,114,746,747.30, 1,536,083,761.50 and 862,318,248.48
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Solution
The fourth proportional to 1,114,746,747.30, 1,536,083,761.50 and 862,318,248.48 is: 1,188,245,726.61
Step by Step Solution
- Step 1: Write the proportion equation
1,114,746,747.30 : 1,536,083,761.50 = 862,318,248.48 : x - Step 2: Convert to fraction form
1,114,746,747.30/1,536,083,761.50 = 862,318,248.48/x - Step 3: Cross multiply
1,114,746,747.30x = 1,536,083,761.50 × 862,318,248.48 - Step 4: Simplify right side
1,114,746,747.30x = 1,324,593,058,735,250,176 - Step 5: Solve for x
x = 1,324,593,058,735,250,176/1,114,746,747.30 - Step 6: Final answer
x = 1,188,245,726.61
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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.