Finding the Fourth Proportional to 1,252,038,549.16, 1,727,745,751.02 and 695,085,743.80
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Solution
The fourth proportional to 1,252,038,549.16, 1,727,745,751.02 and 695,085,743.80 is: 959,180,882.45
Step by Step Solution
- Step 1: Write the proportion equation
1,252,038,549.16 : 1,727,745,751.02 = 695,085,743.80 : x - Step 2: Convert to fraction form
1,252,038,549.16/1,727,745,751.02 = 695,085,743.80/x - Step 3: Cross multiply
1,252,038,549.16x = 1,727,745,751.02 × 695,085,743.80 - Step 4: Simplify right side
1,252,038,549.16x = 1,200,931,440,445,026,304 - Step 5: Solve for x
x = 1,200,931,440,445,026,304/1,252,038,549.16 - Step 6: Final answer
x = 959,180,882.45
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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.