Finding the Fourth Proportional to 667,413,246.60, 1,001,214,348.30 and 207,303,438.60
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Solution
The fourth proportional to 667,413,246.60, 1,001,214,348.30 and 207,303,438.60 is: 310,984,503.58
Step by Step Solution
- Step 1: Write the proportion equation
667,413,246.60 : 1,001,214,348.30 = 207,303,438.60 : x - Step 2: Convert to fraction form
667,413,246.60/1,001,214,348.30 = 207,303,438.60/x - Step 3: Cross multiply
667,413,246.60x = 1,001,214,348.30 × 207,303,438.60 - Step 4: Simplify right side
667,413,246.60x = 207,555,177,178,248,064 - Step 5: Solve for x
x = 207,555,177,178,248,064/667,413,246.60 - Step 6: Final answer
x = 310,984,503.58
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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.