Finding the Fourth Proportional to 579,385,117.80, 869,077,676.70 and 273,275,101.80
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Solution
The fourth proportional to 579,385,117.80, 869,077,676.70 and 273,275,101.80 is: 409,912,652.70
Step by Step Solution
- Step 1: Write the proportion equation
579,385,117.80 : 869,077,676.70 = 273,275,101.80 : x - Step 2: Convert to fraction form
579,385,117.80/869,077,676.70 = 273,275,101.80/x - Step 3: Cross multiply
579,385,117.80x = 869,077,676.70 × 273,275,101.80 - Step 4: Simplify right side
579,385,117.80x = 237,497,290,572,300,000 - Step 5: Solve for x
x = 237,497,290,572,300,000/579,385,117.80 - Step 6: Final answer
x = 409,912,652.70
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Similar ratio
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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.