Finding the Fourth Proportional to 634,782,476.77, 875,894,711.73 and 366,883,256.06
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Solution
The fourth proportional to 634,782,476.77, 875,894,711.73 and 366,883,256.06 is: 506,238,145.45
Step by Step Solution
- Step 1: Write the proportion equation
634,782,476.77 : 875,894,711.73 = 366,883,256.06 : x - Step 2: Convert to fraction form
634,782,476.77/875,894,711.73 = 366,883,256.06/x - Step 3: Cross multiply
634,782,476.77x = 875,894,711.73 × 366,883,256.06 - Step 4: Simplify right side
634,782,476.77x = 321,351,103,807,289,920 - Step 5: Solve for x
x = 321,351,103,807,289,920/634,782,476.77 - Step 6: Final answer
x = 506,238,145.45
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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.