Finding the Fourth Proportional to 210,223,579.80, 288,001,493.24 and 202,363,780.44
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Solution
The fourth proportional to 210,223,579.80, 288,001,493.24 and 202,363,780.44 is: 277,233,747.99
Step by Step Solution
- Step 1: Write the proportion equation
210,223,579.80 : 288,001,493.24 = 202,363,780.44 : x - Step 2: Convert to fraction form
210,223,579.80/288,001,493.24 = 202,363,780.44/x - Step 3: Cross multiply
210,223,579.80x = 288,001,493.24 × 202,363,780.44 - Step 4: Simplify right side
210,223,579.80x = 58,281,070,944,411,504 - Step 5: Solve for x
x = 58,281,070,944,411,504/210,223,579.80 - Step 6: Final answer
x = 277,233,747.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.