Finding the Fourth Proportional to 6,409,169,261.80, 9,612,478,434.30 and 3,092,977,421.80
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Solution
The fourth proportional to 6,409,169,261.80, 9,612,478,434.30 and 3,092,977,421.80 is: 4,638,850,613.92
Step by Step Solution
- Step 1: Write the proportion equation
6,409,169,261.80 : 9,612,478,434.30 = 3,092,977,421.80 : x - Step 2: Convert to fraction form
6,409,169,261.80/9,612,478,434.30 = 3,092,977,421.80/x - Step 3: Cross multiply
6,409,169,261.80x = 9,612,478,434.30 × 3,092,977,421.80 - Step 4: Simplify right side
6,409,169,261.80x = 29,731,178,764,829,315,072 - Step 5: Solve for x
x = 29,731,178,764,829,315,072/6,409,169,261.80 - Step 6: Final answer
x = 4,638,850,613.92
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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.