Finding the Fourth Proportional to 1,696,725,702.97, 2,545,184,149.22 and 516,344,570.53
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Solution
The fourth proportional to 1,696,725,702.97, 2,545,184,149.22 and 516,344,570.53 is: 774,545,947.02
Step by Step Solution
- Step 1: Write the proportion equation
1,696,725,702.97 : 2,545,184,149.22 = 516,344,570.53 : x - Step 2: Convert to fraction form
1,696,725,702.97/2,545,184,149.22 = 516,344,570.53/x - Step 3: Cross multiply
1,696,725,702.97x = 2,545,184,149.22 × 516,344,570.53 - Step 4: Simplify right side
1,696,725,702.97x = 1,314,192,016,443,692,032 - Step 5: Solve for x
x = 1,314,192,016,443,692,032/1,696,725,702.97 - Step 6: Final answer
x = 774,545,947.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.