Finding the Fourth Proportional to 1,065,021,349.60, 1,469,701,269.48 and 595,126,531.80
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Solution
The fourth proportional to 1,065,021,349.60, 1,469,701,269.48 and 595,126,531.80 is: 821,258,859.85
Step by Step Solution
- Step 1: Write the proportion equation
1,065,021,349.60 : 1,469,701,269.48 = 595,126,531.80 : x - Step 2: Convert to fraction form
1,065,021,349.60/1,469,701,269.48 = 595,126,531.80/x - Step 3: Cross multiply
1,065,021,349.60x = 1,469,701,269.48 × 595,126,531.80 - Step 4: Simplify right side
1,065,021,349.60x = 874,658,219,287,689,472 - Step 5: Solve for x
x = 874,658,219,287,689,472/1,065,021,349.60 - Step 6: Final answer
x = 821,258,859.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.