Finding the Fourth Proportional to 257,747,078.08, 386,110,431.26 and 225,435,465.28
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Solution
The fourth proportional to 257,747,078.08, 386,110,431.26 and 225,435,465.28 is: 337,706,969.83
Step by Step Solution
- Step 1: Write the proportion equation
257,747,078.08 : 386,110,431.26 = 225,435,465.28 : x - Step 2: Convert to fraction form
257,747,078.08/386,110,431.26 = 225,435,465.28/x - Step 3: Cross multiply
257,747,078.08x = 386,110,431.26 × 225,435,465.28 - Step 4: Simplify right side
257,747,078.08x = 87,042,984,720,559,552 - Step 5: Solve for x
x = 87,042,984,720,559,552/257,747,078.08 - Step 6: Final answer
x = 337,706,969.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.