Finding the Fourth Proportional to 590,490,623.80, 885,735,935.70 and 437,435,615.80
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Solution
The fourth proportional to 590,490,623.80, 885,735,935.70 and 437,435,615.80 is: 656,153,423.70
Step by Step Solution
- Step 1: Write the proportion equation
590,490,623.80 : 885,735,935.70 = 437,435,615.80 : x - Step 2: Convert to fraction form
590,490,623.80/885,735,935.70 = 437,435,615.80/x - Step 3: Cross multiply
590,490,623.80x = 885,735,935.70 × 437,435,615.80 - Step 4: Simplify right side
590,490,623.80x = 387,452,444,469,118,720 - Step 5: Solve for x
x = 387,452,444,469,118,720/590,490,623.80 - Step 6: Final answer
x = 656,153,423.70
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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.