Finding the Fourth Proportional to 4,790,122,877.80, 7,185,184,316.70 and 3,500,177,789.80
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Solution
The fourth proportional to 4,790,122,877.80, 7,185,184,316.70 and 3,500,177,789.80 is: 5,250,266,684.70
Step by Step Solution
- Step 1: Write the proportion equation
4,790,122,877.80 : 7,185,184,316.70 = 3,500,177,789.80 : x - Step 2: Convert to fraction form
4,790,122,877.80/7,185,184,316.70 = 3,500,177,789.80/x - Step 3: Cross multiply
4,790,122,877.80x = 7,185,184,316.70 × 3,500,177,789.80 - Step 4: Simplify right side
4,790,122,877.80x = 25,149,422,560,932,630,528 - Step 5: Solve for x
x = 25,149,422,560,932,630,528/4,790,122,877.80 - Step 6: Final answer
x = 5,250,266,684.70
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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.