Finding the Fourth Proportional to 368,661,313.36, 508,760,112.14 and 201,408,407.52
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Solution
The fourth proportional to 368,661,313.36, 508,760,112.14 and 201,408,407.52 is: 277,947,699.65
Step by Step Solution
- Step 1: Write the proportion equation
368,661,313.36 : 508,760,112.14 = 201,408,407.52 : x - Step 2: Convert to fraction form
368,661,313.36/508,760,112.14 = 201,408,407.52/x - Step 3: Cross multiply
368,661,313.36x = 508,760,112.14 × 201,408,407.52 - Step 4: Simplify right side
368,661,313.36x = 102,468,563,997,941,232 - Step 5: Solve for x
x = 102,468,563,997,941,232/368,661,313.36 - Step 6: Final answer
x = 277,947,699.65
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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.