Finding the Fourth Proportional to 738,239,283.40, 1,107,358,925.10 and 193,035,929.80
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Solution
The fourth proportional to 738,239,283.40, 1,107,358,925.10 and 193,035,929.80 is: 289,553,894.70
Step by Step Solution
- Step 1: Write the proportion equation
738,239,283.40 : 1,107,358,925.10 = 193,035,929.80 : x - Step 2: Convert to fraction form
738,239,283.40/1,107,358,925.10 = 193,035,929.80/x - Step 3: Cross multiply
738,239,283.40x = 1,107,358,925.10 × 193,035,929.80 - Step 4: Simplify right side
738,239,283.40x = 213,760,059,729,007,040 - Step 5: Solve for x
x = 213,760,059,729,007,040/738,239,283.40 - Step 6: Final answer
x = 289,553,894.70
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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.