Finding the Fourth Proportional to 1,252,038,548.16, 1,727,745,749.64 and 695,085,742.80
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Solution
The fourth proportional to 1,252,038,548.16, 1,727,745,749.64 and 695,085,742.80 is: 959,180,881.07
Step by Step Solution
- Step 1: Write the proportion equation
1,252,038,548.16 : 1,727,745,749.64 = 695,085,742.80 : x - Step 2: Convert to fraction form
1,252,038,548.16/1,727,745,749.64 = 695,085,742.80/x - Step 3: Cross multiply
1,252,038,548.16x = 1,727,745,749.64 × 695,085,742.80 - Step 4: Simplify right side
1,252,038,548.16x = 1,200,931,437,758,062,336 - Step 5: Solve for x
x = 1,200,931,437,758,062,336/1,252,038,548.16 - Step 6: Final answer
x = 959,180,881.07
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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.