Finding the Fourth Proportional to 1,252,468,232.64, 1,728,358,809.62 and 695,587,151.97
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Solution
The fourth proportional to 1,252,468,232.64, 1,728,358,809.62 and 695,587,151.97 is: 959,883,972.01
Step by Step Solution
- Step 1: Write the proportion equation
1,252,468,232.64 : 1,728,358,809.62 = 695,587,151.97 : x - Step 2: Convert to fraction form
1,252,468,232.64/1,728,358,809.62 = 695,587,151.97/x - Step 3: Cross multiply
1,252,468,232.64x = 1,728,358,809.62 × 695,587,151.97 - Step 4: Simplify right side
1,252,468,232.64x = 1,202,224,181,962,357,248 - Step 5: Solve for x
x = 1,202,224,181,962,357,248/1,252,468,232.64 - Step 6: Final answer
x = 959,883,972.01
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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.