Finding the Fourth Proportional to 869,674,736.08, 1,302,866,138.76 and 514,084,435.84
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Solution
The fourth proportional to 869,674,736.08, 1,302,866,138.76 and 514,084,435.84 is: 770,153,686.35
Step by Step Solution
- Step 1: Write the proportion equation
869,674,736.08 : 1,302,866,138.76 = 514,084,435.84 : x - Step 2: Convert to fraction form
869,674,736.08/1,302,866,138.76 = 514,084,435.84/x - Step 3: Cross multiply
869,674,736.08x = 1,302,866,138.76 × 514,084,435.84 - Step 4: Simplify right side
869,674,736.08x = 669,783,203,919,473,664 - Step 5: Solve for x
x = 669,783,203,919,473,664/869,674,736.08 - Step 6: Final answer
x = 770,153,686.35
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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.