Finding the Fourth Proportional to 664,850,711.70, 997,276,067.55 and 180,176,519.70
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Solution
The fourth proportional to 664,850,711.70, 997,276,067.55 and 180,176,519.70 is: 270,264,779.55
Step by Step Solution
- Step 1: Write the proportion equation
664,850,711.70 : 997,276,067.55 = 180,176,519.70 : x - Step 2: Convert to fraction form
664,850,711.70/997,276,067.55 = 180,176,519.70/x - Step 3: Cross multiply
664,850,711.70x = 997,276,067.55 × 180,176,519.70 - Step 4: Simplify right side
664,850,711.70x = 179,685,731,031,261,088 - Step 5: Solve for x
x = 179,685,731,031,261,088/664,850,711.70 - Step 6: Final answer
x = 270,264,779.55
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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.