Finding the Fourth Proportional to 797,166,155.80, 1,195,749,233.70 and 448,487,715.70
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Solution
The fourth proportional to 797,166,155.80, 1,195,749,233.70 and 448,487,715.70 is: 672,731,573.55
Step by Step Solution
- Step 1: Write the proportion equation
797,166,155.80 : 1,195,749,233.70 = 448,487,715.70 : x - Step 2: Convert to fraction form
797,166,155.80/1,195,749,233.70 = 448,487,715.70/x - Step 3: Cross multiply
797,166,155.80x = 1,195,749,233.70 × 448,487,715.70 - Step 4: Simplify right side
797,166,155.80x = 536,278,842,372,138,496 - Step 5: Solve for x
x = 536,278,842,372,138,496/797,166,155.80 - Step 6: Final answer
x = 672,731,573.55
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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.