Finding the Fourth Proportional to 865,759,298.25, 1,194,715,811.70 and 469,273,775.07
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Solution
The fourth proportional to 865,759,298.25, 1,194,715,811.70 and 469,273,775.07 is: 647,580,453.63
Step by Step Solution
- Step 1: Write the proportion equation
865,759,298.25 : 1,194,715,811.70 = 469,273,775.07 : x - Step 2: Convert to fraction form
865,759,298.25/1,194,715,811.70 = 469,273,775.07/x - Step 3: Cross multiply
865,759,298.25x = 1,194,715,811.70 × 469,273,775.07 - Step 4: Simplify right side
865,759,298.25x = 560,648,799,092,278,272 - Step 5: Solve for x
x = 560,648,799,092,278,272/865,759,298.25 - Step 6: Final answer
x = 647,580,453.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.