Finding the Fourth Proportional to 368,584,318.52, 508,643,010.72 and 201,320,544.84
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Solution
The fourth proportional to 368,584,318.52, 508,643,010.72 and 201,320,544.84 is: 277,820,522.75
Step by Step Solution
- Step 1: Write the proportion equation
368,584,318.52 : 508,643,010.72 = 201,320,544.84 : x - Step 2: Convert to fraction form
368,584,318.52/508,643,010.72 = 201,320,544.84/x - Step 3: Cross multiply
368,584,318.52x = 508,643,010.72 × 201,320,544.84 - Step 4: Simplify right side
368,584,318.52x = 102,400,288,047,208,368 - Step 5: Solve for x
x = 102,400,288,047,208,368/368,584,318.52 - Step 6: Final answer
x = 277,820,522.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.