Finding the Fourth Proportional to 863,592,357.70, 1,293,475,348.95 and 748,801,101.70
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Solution
The fourth proportional to 863,592,357.70, 1,293,475,348.95 and 748,801,101.70 is: 1,121,542,771.52
Step by Step Solution
- Step 1: Write the proportion equation
863,592,357.70 : 1,293,475,348.95 = 748,801,101.70 : x - Step 2: Convert to fraction form
863,592,357.70/1,293,475,348.95 = 748,801,101.70/x - Step 3: Cross multiply
863,592,357.70x = 1,293,475,348.95 × 748,801,101.70 - Step 4: Simplify right side
863,592,357.70x = 968,555,766,315,552,000 - Step 5: Solve for x
x = 968,555,766,315,552,000/863,592,357.70 - Step 6: Final answer
x = 1,121,542,771.52
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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.