Finding the Fourth Proportional to 996,226,270,372.80, 1,374,793,578,899.40 and 539,485,542,040.14
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Solution
The fourth proportional to 996,226,270,372.80, 1,374,793,578,899.40 and 539,485,542,040.14 is: 744,490,765,966.55
Step by Step Solution
- Step 1: Write the proportion equation
996,226,270,372.80 : 1,374,793,578,899.40 = 539,485,542,040.14 : x - Step 2: Convert to fraction form
996,226,270,372.80/1,374,793,578,899.40 = 539,485,542,040.14/x - Step 3: Cross multiply
996,226,270,372.80x = 1,374,793,578,899.40 × 539,485,542,040.14 - Step 4: Simplify right side
996,226,270,372.80x = 741,681,259,105,846,734,880,768 - Step 5: Solve for x
x = 741,681,259,105,846,734,880,768/996,226,270,372.80 - Step 6: Final answer
x = 744,490,765,966.55
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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.