Finding the Fourth Proportional to 955,659,778,859.92, 1,318,811,023,955.50 and 516,197,161,076.88
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Solution
The fourth proportional to 955,659,778,859.92, 1,318,811,023,955.50 and 516,197,161,076.88 is: 712,352,368,093.66
Step by Step Solution
- Step 1: Write the proportion equation
955,659,778,859.92 : 1,318,811,023,955.50 = 516,197,161,076.88 : x - Step 2: Convert to fraction form
955,659,778,859.92/1,318,811,023,955.50 = 516,197,161,076.88/x - Step 3: Cross multiply
955,659,778,859.92x = 1,318,811,023,955.50 × 516,197,161,076.88 - Step 4: Simplify right side
955,659,778,859.92x = 680,766,506,562,722,344,206,336 - Step 5: Solve for x
x = 680,766,506,562,722,344,206,336/955,659,778,859.92 - Step 6: Final answer
x = 712,352,368,093.66
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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.