Finding the Fourth Proportional to 7,040,605,265.60, 10,560,909,855.36 and 2,618,446,903.68
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Solution
The fourth proportional to 7,040,605,265.60, 10,560,909,855.36 and 2,618,446,903.68 is: 3,927,671,083.33
Step by Step Solution
- Step 1: Write the proportion equation
7,040,605,265.60 : 10,560,909,855.36 = 2,618,446,903.68 : x - Step 2: Convert to fraction form
7,040,605,265.60/10,560,909,855.36 = 2,618,446,903.68/x - Step 3: Cross multiply
7,040,605,265.60x = 10,560,909,855.36 × 2,618,446,903.68 - Step 4: Simplify right side
7,040,605,265.60x = 27,653,181,710,810,988,544 - Step 5: Solve for x
x = 27,653,181,710,810,988,544/7,040,605,265.60 - Step 6: Final answer
x = 3,927,671,083.33
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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.