Finding the Fourth Proportional to 793,853,104.80, 1,190,779,657.20 and 248,761,725.60
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Solution
The fourth proportional to 793,853,104.80, 1,190,779,657.20 and 248,761,725.60 is: 373,142,588.40
Step by Step Solution
- Step 1: Write the proportion equation
793,853,104.80 : 1,190,779,657.20 = 248,761,725.60 : x - Step 2: Convert to fraction form
793,853,104.80/1,190,779,657.20 = 248,761,725.60/x - Step 3: Cross multiply
793,853,104.80x = 1,190,779,657.20 × 248,761,725.60 - Step 4: Simplify right side
793,853,104.80x = 296,220,402,334,448,448 - Step 5: Solve for x
x = 296,220,402,334,448,448/793,853,104.80 - Step 6: Final answer
x = 373,142,588.40
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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.