Finding the Fourth Proportional to 298,963,114.60, 448,444,671.90 and 268,830,409.90
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Solution
The fourth proportional to 298,963,114.60, 448,444,671.90 and 268,830,409.90 is: 403,245,614.85
Step by Step Solution
- Step 1: Write the proportion equation
298,963,114.60 : 448,444,671.90 = 268,830,409.90 : x - Step 2: Convert to fraction form
298,963,114.60/448,444,671.90 = 268,830,409.90/x - Step 3: Cross multiply
298,963,114.60x = 448,444,671.90 × 268,830,409.90 - Step 4: Simplify right side
298,963,114.60x = 120,555,564,964,348,000 - Step 5: Solve for x
x = 120,555,564,964,348,000/298,963,114.60 - Step 6: Final answer
x = 403,245,614.85
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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.