Finding the Fourth Proportional to 343,709,702.73, 474,359,778.87 and 193,027,122.21
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Solution
The fourth proportional to 343,709,702.73, 474,359,778.87 and 193,027,122.21 is: 266,400,111.14
Step by Step Solution
- Step 1: Write the proportion equation
343,709,702.73 : 474,359,778.87 = 193,027,122.21 : x - Step 2: Convert to fraction form
343,709,702.73/474,359,778.87 = 193,027,122.21/x - Step 3: Cross multiply
343,709,702.73x = 474,359,778.87 × 193,027,122.21 - Step 4: Simplify right side
343,709,702.73x = 91,564,303,007,448,064 - Step 5: Solve for x
x = 91,564,303,007,448,064/343,709,702.73 - Step 6: Final answer
x = 266,400,111.14
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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.