Finding the Fourth Proportional to 806,784,850.80, 1,210,177,276.20 and 737,910,097.20
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Solution
The fourth proportional to 806,784,850.80, 1,210,177,276.20 and 737,910,097.20 is: 1,106,865,145.80
Step by Step Solution
- Step 1: Write the proportion equation
806,784,850.80 : 1,210,177,276.20 = 737,910,097.20 : x - Step 2: Convert to fraction form
806,784,850.80/1,210,177,276.20 = 737,910,097.20/x - Step 3: Cross multiply
806,784,850.80x = 1,210,177,276.20 × 737,910,097.20 - Step 4: Simplify right side
806,784,850.80x = 893,002,031,509,973,376 - Step 5: Solve for x
x = 893,002,031,509,973,376/806,784,850.80 - Step 6: Final answer
x = 1,106,865,145.80
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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.