Finding the Fourth Proportional to 7,447,117,067.80, 11,170,675,601.70 and 2,539,950,962.20
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Solution
The fourth proportional to 7,447,117,067.80, 11,170,675,601.70 and 2,539,950,962.20 is: 3,809,926,443.30
Step by Step Solution
- Step 1: Write the proportion equation
7,447,117,067.80 : 11,170,675,601.70 = 2,539,950,962.20 : x - Step 2: Convert to fraction form
7,447,117,067.80/11,170,675,601.70 = 2,539,950,962.20/x - Step 3: Cross multiply
7,447,117,067.80x = 11,170,675,601.70 × 2,539,950,962.20 - Step 4: Simplify right side
7,447,117,067.80x = 28,372,968,242,961,977,344 - Step 5: Solve for x
x = 28,372,968,242,961,977,344/7,447,117,067.80 - Step 6: Final answer
x = 3,809,926,443.30
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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.