Finding the Fourth Proportional to 1,252,038,549.41, 1,727,745,751.37 and 695,085,744.05
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Solution
The fourth proportional to 1,252,038,549.41, 1,727,745,751.37 and 695,085,744.05 is: 959,180,882.80
Step by Step Solution
- Step 1: Write the proportion equation
1,252,038,549.41 : 1,727,745,751.37 = 695,085,744.05 : x - Step 2: Convert to fraction form
1,252,038,549.41/1,727,745,751.37 = 695,085,744.05/x - Step 3: Cross multiply
1,252,038,549.41x = 1,727,745,751.37 × 695,085,744.05 - Step 4: Simplify right side
1,252,038,549.41x = 1,200,931,441,116,767,232 - Step 5: Solve for x
x = 1,200,931,441,116,767,232/1,252,038,549.41 - Step 6: Final answer
x = 959,180,882.80
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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.