Finding the Fourth Proportional to 347,892,348.16, 480,079,202.88 and 191,258,319.36
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Solution
The fourth proportional to 347,892,348.16, 480,079,202.88 and 191,258,319.36 is: 263,929,752.95
Step by Step Solution
- Step 1: Write the proportion equation
347,892,348.16 : 480,079,202.88 = 191,258,319.36 : x - Step 2: Convert to fraction form
347,892,348.16/480,079,202.88 = 191,258,319.36/x - Step 3: Cross multiply
347,892,348.16x = 480,079,202.88 × 191,258,319.36 - Step 4: Simplify right side
347,892,348.16x = 91,819,141,502,517,280 - Step 5: Solve for x
x = 91,819,141,502,517,280/347,892,348.16 - Step 6: Final answer
x = 263,929,752.95
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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.