Finding the Fourth Proportional to 283,854,010,759.28, 391,718,542,574.04 and 157,124,464,135.28
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Solution
The fourth proportional to 283,854,010,759.28, 391,718,542,574.04 and 157,124,464,135.28 is: 216,831,764,783.46
Step by Step Solution
- Step 1: Write the proportion equation
283,854,010,759.28 : 391,718,542,574.04 = 157,124,464,135.28 : x - Step 2: Convert to fraction form
283,854,010,759.28/391,718,542,574.04 = 157,124,464,135.28/x - Step 3: Cross multiply
283,854,010,759.28x = 391,718,542,574.04 × 157,124,464,135.28 - Step 4: Simplify right side
283,854,010,759.28x = 61,548,566,093,798,897,090,560 - Step 5: Solve for x
x = 61,548,566,093,798,897,090,560/283,854,010,759.28 - Step 6: Final answer
x = 216,831,764,783.46
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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.