Finding the Fourth Proportional to 368,724,032.01, 508,833,144.77 and 201,456,693.63
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Solution
The fourth proportional to 368,724,032.01, 508,833,144.77 and 201,456,693.63 is: 278,006,948.43
Step by Step Solution
- Step 1: Write the proportion equation
368,724,032.01 : 508,833,144.77 = 201,456,693.63 : x - Step 2: Convert to fraction form
368,724,032.01/508,833,144.77 = 201,456,693.63/x - Step 3: Cross multiply
368,724,032.01x = 508,833,144.77 × 201,456,693.63 - Step 4: Simplify right side
368,724,032.01x = 102,507,842,953,712,032 - Step 5: Solve for x
x = 102,507,842,953,712,032/368,724,032.01 - Step 6: Final answer
x = 278,006,948.43
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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.