Finding the Fourth Proportional to 1,596,197,861.64, 2,202,732,242.82 and 891,362,228.76
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Solution
The fourth proportional to 1,596,197,861.64, 2,202,732,242.82 and 891,362,228.76 is: 1,230,068,256.89
Step by Step Solution
- Step 1: Write the proportion equation
1,596,197,861.64 : 2,202,732,242.82 = 891,362,228.76 : x - Step 2: Convert to fraction form
1,596,197,861.64/2,202,732,242.82 = 891,362,228.76/x - Step 3: Cross multiply
1,596,197,861.64x = 2,202,732,242.82 × 891,362,228.76 - Step 4: Simplify right side
1,596,197,861.64x = 1,963,432,321,321,548,800 - Step 5: Solve for x
x = 1,963,432,321,321,548,800/1,596,197,861.64 - Step 6: Final answer
x = 1,230,068,256.89
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1.5x scale
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.