Finding the Fourth Proportional to 1,036,644,203.80, 1,554,966,305.70 and 1,007,946,389.80
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Solution
The fourth proportional to 1,036,644,203.80, 1,554,966,305.70 and 1,007,946,389.80 is: 1,511,919,584.70
Step by Step Solution
- Step 1: Write the proportion equation
1,036,644,203.80 : 1,554,966,305.70 = 1,007,946,389.80 : x - Step 2: Convert to fraction form
1,036,644,203.80/1,554,966,305.70 = 1,007,946,389.80/x - Step 3: Cross multiply
1,036,644,203.80x = 1,554,966,305.70 × 1,007,946,389.80 - Step 4: Simplify right side
1,036,644,203.80x = 1,567,322,674,090,958,080 - Step 5: Solve for x
x = 1,567,322,674,090,958,080/1,036,644,203.80 - Step 6: Final answer
x = 1,511,919,584.70
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1.5x scale
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.