Finding the Fourth Proportional to 1,102,278,387.60, 1,651,504,393.80 and 713,901,304.80
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Solution
The fourth proportional to 1,102,278,387.60, 1,651,504,393.80 and 713,901,304.80 is: 1,069,612,862.67
Step by Step Solution
- Step 1: Write the proportion equation
1,102,278,387.60 : 1,651,504,393.80 = 713,901,304.80 : x - Step 2: Convert to fraction form
1,102,278,387.60/1,651,504,393.80 = 713,901,304.80/x - Step 3: Cross multiply
1,102,278,387.60x = 1,651,504,393.80 × 713,901,304.80 - Step 4: Simplify right side
1,102,278,387.60x = 1,179,011,141,616,752,896 - Step 5: Solve for x
x = 1,179,011,141,616,752,896/1,102,278,387.60 - Step 6: Final answer
x = 1,069,612,862.67
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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.