Finding the Fourth Proportional to 590,504,753.80, 885,757,130.70 and 318,406,961.80
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Solution
The fourth proportional to 590,504,753.80, 885,757,130.70 and 318,406,961.80 is: 477,610,442.70
Step by Step Solution
- Step 1: Write the proportion equation
590,504,753.80 : 885,757,130.70 = 318,406,961.80 : x - Step 2: Convert to fraction form
590,504,753.80/885,757,130.70 = 318,406,961.80/x - Step 3: Cross multiply
590,504,753.80x = 885,757,130.70 × 318,406,961.80 - Step 4: Simplify right side
590,504,753.80x = 282,031,236,878,872,544 - Step 5: Solve for x
x = 282,031,236,878,872,544/590,504,753.80 - Step 6: Final answer
x = 477,610,442.70
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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.