Finding the Fourth Proportional to 1,078,273,148.40, 1,617,409,722.60 and 899,114,108.40
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Solution
The fourth proportional to 1,078,273,148.40, 1,617,409,722.60 and 899,114,108.40 is: 1,348,671,162.60
Step by Step Solution
- Step 1: Write the proportion equation
1,078,273,148.40 : 1,617,409,722.60 = 899,114,108.40 : x - Step 2: Convert to fraction form
1,078,273,148.40/1,617,409,722.60 = 899,114,108.40/x - Step 3: Cross multiply
1,078,273,148.40x = 1,617,409,722.60 × 899,114,108.40 - Step 4: Simplify right side
1,078,273,148.40x = 1,454,235,900,652,990,208 - Step 5: Solve for x
x = 1,454,235,900,652,990,208/1,078,273,148.40 - Step 6: Final answer
x = 1,348,671,162.60
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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.