Finding the Fourth Proportional to 832,202,267.28, 1,148,003,715.86 and 514,560,978.08
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Solution
The fourth proportional to 832,202,267.28, 1,148,003,715.86 and 514,560,978.08 is: 709,824,928.50
Step by Step Solution
- Step 1: Write the proportion equation
832,202,267.28 : 1,148,003,715.86 = 514,560,978.08 : x - Step 2: Convert to fraction form
832,202,267.28/1,148,003,715.86 = 514,560,978.08/x - Step 3: Cross multiply
832,202,267.28x = 1,148,003,715.86 × 514,560,978.08 - Step 4: Simplify right side
832,202,267.28x = 590,717,914,872,395,904 - Step 5: Solve for x
x = 590,717,914,872,395,904/832,202,267.28 - Step 6: Final answer
x = 709,824,928.50
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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.