Finding the Fourth Proportional to 1,313,953,416.96, 1,813,256,283.04 and 719,241,293.44
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Solution
The fourth proportional to 1,313,953,416.96, 1,813,256,283.04 and 719,241,293.44 is: 992,553,295.66
Step by Step Solution
- Step 1: Write the proportion equation
1,313,953,416.96 : 1,813,256,283.04 = 719,241,293.44 : x - Step 2: Convert to fraction form
1,313,953,416.96/1,813,256,283.04 = 719,241,293.44/x - Step 3: Cross multiply
1,313,953,416.96x = 1,813,256,283.04 × 719,241,293.44 - Step 4: Simplify right side
1,313,953,416.96x = 1,304,168,794,351,896,320 - Step 5: Solve for x
x = 1,304,168,794,351,896,320/1,313,953,416.96 - Step 6: Final answer
x = 992,553,295.66
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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.