Finding the Fourth Proportional to 373,205,719.88, 514,960,120.51 and 216,536,913.08
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Solution
The fourth proportional to 373,205,719.88, 514,960,120.51 and 216,536,913.08 is: 298,783,938.49
Step by Step Solution
- Step 1: Write the proportion equation
373,205,719.88 : 514,960,120.51 = 216,536,913.08 : x - Step 2: Convert to fraction form
373,205,719.88/514,960,120.51 = 216,536,913.08/x - Step 3: Cross multiply
373,205,719.88x = 514,960,120.51 × 216,536,913.08 - Step 4: Simplify right side
373,205,719.88x = 111,507,874,854,540,192 - Step 5: Solve for x
x = 111,507,874,854,540,192/373,205,719.88 - Step 6: Final answer
x = 298,783,938.49
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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.