Finding the Fourth Proportional to 368,776,152.50, 508,904,943.41 and 201,508,739.10
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Solution
The fourth proportional to 368,776,152.50, 508,904,943.41 and 201,508,739.10 is: 278,078,701.06
Step by Step Solution
- Step 1: Write the proportion equation
368,776,152.50 : 508,904,943.41 = 201,508,739.10 : x - Step 2: Convert to fraction form
368,776,152.50/508,904,943.41 = 201,508,739.10/x - Step 3: Cross multiply
368,776,152.50x = 508,904,943.41 × 201,508,739.10 - Step 4: Simplify right side
368,776,152.50x = 102,548,793,468,809,728 - Step 5: Solve for x
x = 102,548,793,468,809,728/368,776,152.50 - Step 6: Final answer
x = 278,078,701.06
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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.