Finding the Fourth Proportional to 1,331,720,726.76, 1,837,733,097.06 and 736,969,426.92
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Solution
The fourth proportional to 1,331,720,726.76, 1,837,733,097.06 and 736,969,426.92 is: 1,016,994,839.95
Step by Step Solution
- Step 1: Write the proportion equation
1,331,720,726.76 : 1,837,733,097.06 = 736,969,426.92 : x - Step 2: Convert to fraction form
1,331,720,726.76/1,837,733,097.06 = 736,969,426.92/x - Step 3: Cross multiply
1,331,720,726.76x = 1,837,733,097.06 × 736,969,426.92 - Step 4: Simplify right side
1,331,720,726.76x = 1,354,353,107,372,224,768 - Step 5: Solve for x
x = 1,354,353,107,372,224,768/1,331,720,726.76 - Step 6: Final answer
x = 1,016,994,839.95
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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.