Finding the Fourth Proportional to 3,955,787,713.80, 5,933,681,570.70 and 1,195,842,702.60
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Solution
The fourth proportional to 3,955,787,713.80, 5,933,681,570.70 and 1,195,842,702.60 is: 1,793,764,053.90
Step by Step Solution
- Step 1: Write the proportion equation
3,955,787,713.80 : 5,933,681,570.70 = 1,195,842,702.60 : x - Step 2: Convert to fraction form
3,955,787,713.80/5,933,681,570.70 = 1,195,842,702.60/x - Step 3: Cross multiply
3,955,787,713.80x = 5,933,681,570.70 × 1,195,842,702.60 - Step 4: Simplify right side
3,955,787,713.80x = 7,095,749,805,873,699,840 - Step 5: Solve for x
x = 7,095,749,805,873,699,840/3,955,787,713.80 - Step 6: Final answer
x = 1,793,764,053.90
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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.