Finding the Fourth Proportional to 667,413,243.60, 1,001,214,343.80 and 207,303,435.60
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Solution
The fourth proportional to 667,413,243.60, 1,001,214,343.80 and 207,303,435.60 is: 310,984,499.08
Step by Step Solution
- Step 1: Write the proportion equation
667,413,243.60 : 1,001,214,343.80 = 207,303,435.60 : x - Step 2: Convert to fraction form
667,413,243.60/1,001,214,343.80 = 207,303,435.60/x - Step 3: Cross multiply
667,413,243.60x = 1,001,214,343.80 × 207,303,435.60 - Step 4: Simplify right side
667,413,243.60x = 207,555,173,241,739,552 - Step 5: Solve for x
x = 207,555,173,241,739,552/667,413,243.60 - Step 6: Final answer
x = 310,984,499.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.