Finding the Fourth Proportional to 734,220,385.20, 1,101,330,577.80 and 249,546,193.20
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Solution
The fourth proportional to 734,220,385.20, 1,101,330,577.80 and 249,546,193.20 is: 374,319,289.80
Step by Step Solution
- Step 1: Write the proportion equation
734,220,385.20 : 1,101,330,577.80 = 249,546,193.20 : x - Step 2: Convert to fraction form
734,220,385.20/1,101,330,577.80 = 249,546,193.20/x - Step 3: Cross multiply
734,220,385.20x = 1,101,330,577.80 × 249,546,193.20 - Step 4: Simplify right side
734,220,385.20x = 274,832,853,144,746,400 - Step 5: Solve for x
x = 274,832,853,144,746,400/734,220,385.20 - Step 6: Final answer
x = 374,319,289.80
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Double scale
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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.