Finding the Fourth Proportional to 967,079,623.43, 1,334,574,399.77 and 549,414,827.12
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Solution
The fourth proportional to 967,079,623.43, 1,334,574,399.77 and 549,414,827.12 is: 758,195,028.99
Step by Step Solution
- Step 1: Write the proportion equation
967,079,623.43 : 1,334,574,399.77 = 549,414,827.12 : x - Step 2: Convert to fraction form
967,079,623.43/1,334,574,399.77 = 549,414,827.12/x - Step 3: Cross multiply
967,079,623.43x = 1,334,574,399.77 × 549,414,827.12 - Step 4: Simplify right side
967,079,623.43x = 733,234,963,125,665,280 - Step 5: Solve for x
x = 733,234,963,125,665,280/967,079,623.43 - Step 6: Final answer
x = 758,195,028.99
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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.