Finding the Fourth Proportional to 8,228,480,986.61, 11,355,110,617.08 and 4,841,609,647.80
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Solution
The fourth proportional to 8,228,480,986.61, 11,355,110,617.08 and 4,841,609,647.80 is: 6,681,307,668.45
Step by Step Solution
- Step 1: Write the proportion equation
8,228,480,986.61 : 11,355,110,617.08 = 4,841,609,647.80 : x - Step 2: Convert to fraction form
8,228,480,986.61/11,355,110,617.08 = 4,841,609,647.80/x - Step 3: Cross multiply
8,228,480,986.61x = 11,355,110,617.08 × 4,841,609,647.80 - Step 4: Simplify right side
8,228,480,986.61x = 54,977,013,115,505,270,784 - Step 5: Solve for x
x = 54,977,013,115,505,270,784/8,228,480,986.61 - Step 6: Final answer
x = 6,681,307,668.45
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1.5x scale
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.