Finding the Fourth Proportional to 403,708,573.92, 557,118,076.08 and 218,069,671.62
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Solution
The fourth proportional to 403,708,573.92, 557,118,076.08 and 218,069,671.62 is: 300,936,278.67
Step by Step Solution
- Step 1: Write the proportion equation
403,708,573.92 : 557,118,076.08 = 218,069,671.62 : x - Step 2: Convert to fraction form
403,708,573.92/557,118,076.08 = 218,069,671.62/x - Step 3: Cross multiply
403,708,573.92x = 557,118,076.08 × 218,069,671.62 - Step 4: Simplify right side
403,708,573.92x = 121,490,555,904,331,792 - Step 5: Solve for x
x = 121,490,555,904,331,792/403,708,573.92 - Step 6: Final answer
x = 300,936,278.67
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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.