Finding the Fourth Proportional to 646,801,228.80, 970,201,843.20 and 180,461,751.30
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Solution
The fourth proportional to 646,801,228.80, 970,201,843.20 and 180,461,751.30 is: 270,692,626.95
Step by Step Solution
- Step 1: Write the proportion equation
646,801,228.80 : 970,201,843.20 = 180,461,751.30 : x - Step 2: Convert to fraction form
646,801,228.80/970,201,843.20 = 180,461,751.30/x - Step 3: Cross multiply
646,801,228.80x = 970,201,843.20 × 180,461,751.30 - Step 4: Simplify right side
646,801,228.80x = 175,084,323,738,360,032 - Step 5: Solve for x
x = 175,084,323,738,360,032/646,801,228.80 - Step 6: Final answer
x = 270,692,626.95
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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.