Finding the Fourth Proportional to 368,776,133.37, 508,904,917.02 and 201,508,719.98
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Solution
The fourth proportional to 368,776,133.37, 508,904,917.02 and 201,508,719.98 is: 278,078,674.67
Step by Step Solution
- Step 1: Write the proportion equation
368,776,133.37 : 508,904,917.02 = 201,508,719.98 : x - Step 2: Convert to fraction form
368,776,133.37/508,904,917.02 = 201,508,719.98/x - Step 3: Cross multiply
368,776,133.37x = 508,904,917.02 × 201,508,719.98 - Step 4: Simplify right side
368,776,133.37x = 102,548,778,417,683,792 - Step 5: Solve for x
x = 102,548,778,417,683,792/368,776,133.37 - Step 6: Final answer
x = 278,078,674.67
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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.