Finding the Fourth Proportional to 397,898,074.58, 549,105,348.24 and 228,380,353.00
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Solution
The fourth proportional to 397,898,074.58, 549,105,348.24 and 228,380,353.00 is: 315,168,334.00
Step by Step Solution
- Step 1: Write the proportion equation
397,898,074.58 : 549,105,348.24 = 228,380,353.00 : x - Step 2: Convert to fraction form
397,898,074.58/549,105,348.24 = 228,380,353.00/x - Step 3: Cross multiply
397,898,074.58x = 549,105,348.24 × 228,380,353.00 - Step 4: Simplify right side
397,898,074.58x = 125,404,873,263,866,368 - Step 5: Solve for x
x = 125,404,873,263,866,368/397,898,074.58 - Step 6: Final answer
x = 315,168,334.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.