Finding the Fourth Proportional to 1,420,028,033.40, 1,959,601,095.48 and 793,501,609.68
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Solution
The fourth proportional to 1,420,028,033.40, 1,959,601,095.48 and 793,501,609.68 is: 1,095,011,215.99
Step by Step Solution
- Step 1: Write the proportion equation
1,420,028,033.40 : 1,959,601,095.48 = 793,501,609.68 : x - Step 2: Convert to fraction form
1,420,028,033.40/1,959,601,095.48 = 793,501,609.68/x - Step 3: Cross multiply
1,420,028,033.40x = 1,959,601,095.48 × 793,501,609.68 - Step 4: Simplify right side
1,420,028,033.40x = 1,554,946,623,597,007,360 - Step 5: Solve for x
x = 1,554,946,623,597,007,360/1,420,028,033.40 - Step 6: Final answer
x = 1,095,011,215.99
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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.