Finding the Fourth Proportional to 408,070,860.70, 572,508,528.50 and 408,070,860.70
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Solution
The fourth proportional to 408,070,860.70, 572,508,528.50 and 408,070,860.70 is: 572,508,528.50
Step by Step Solution
- Step 1: Write the proportion equation
408,070,860.70 : 572,508,528.50 = 408,070,860.70 : x - Step 2: Convert to fraction form
408,070,860.70/572,508,528.50 = 408,070,860.70/x - Step 3: Cross multiply
408,070,860.70x = 572,508,528.50 × 408,070,860.70 - Step 4: Simplify right side
408,070,860.70x = 233,624,047,983,085,472 - Step 5: Solve for x
x = 233,624,047,983,085,472/408,070,860.70 - Step 6: Final answer
x = 572,508,528.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.