Finding the Fourth Proportional to 414,449,815.18, 572,198,862.09 and 263,827,457.60
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Solution
The fourth proportional to 414,449,815.18, 572,198,862.09 and 263,827,457.60 is: 364,246,201.83
Step by Step Solution
- Step 1: Write the proportion equation
414,449,815.18 : 572,198,862.09 = 263,827,457.60 : x - Step 2: Convert to fraction form
414,449,815.18/572,198,862.09 = 263,827,457.60/x - Step 3: Cross multiply
414,449,815.18x = 572,198,862.09 × 263,827,457.60 - Step 4: Simplify right side
414,449,815.18x = 150,961,771,026,817,728 - Step 5: Solve for x
x = 150,961,771,026,817,728/414,449,815.18 - Step 6: Final answer
x = 364,246,201.83
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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.