Finding the Fourth Proportional to 540,079,920.23, 745,430,190.10 and 328,341,759.23
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Solution
The fourth proportional to 540,079,920.23, 745,430,190.10 and 328,341,759.23 is: 453,184,521.09
Step by Step Solution
- Step 1: Write the proportion equation
540,079,920.23 : 745,430,190.10 = 328,341,759.23 : x - Step 2: Convert to fraction form
540,079,920.23/745,430,190.10 = 328,341,759.23/x - Step 3: Cross multiply
540,079,920.23x = 745,430,190.10 × 328,341,759.23 - Step 4: Simplify right side
540,079,920.23x = 244,755,860,000,587,360 - Step 5: Solve for x
x = 244,755,860,000,587,360/540,079,920.23 - Step 6: Final answer
x = 453,184,521.09
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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.