Finding the Fourth Proportional to 31,793,551,041,574, 43,911,292,023,204 and 21,370,312,290,908
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Solution
The fourth proportional to 31,793,551,041,574, 43,911,292,023,204 and 21,370,312,290,908 is: 29,515,357,451,140.18
Step by Step Solution
- Step 1: Write the proportion equation
31,793,551,041,574 : 43,911,292,023,204 = 21,370,312,290,908 : x - Step 2: Convert to fraction form
31,793,551,041,574/43,911,292,023,204 = 21,370,312,290,908/x - Step 3: Cross multiply
31,793,551,041,574x = 43,911,292,023,204 × 21,370,312,290,908 - Step 4: Simplify right side
31,793,551,041,574x = 938,398,023,633,126,884,078,780,416 - Step 5: Solve for x
x = 938,398,023,633,126,884,078,780,416/31,793,551,041,574 - Step 6: Final answer
x = 29,515,357,451,140.18
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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.