Finding the Fourth Proportional to 456,729,177.96, 630,286,889.76 and 247,885,323.84
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Solution
The fourth proportional to 456,729,177.96, 630,286,889.76 and 247,885,323.84 is: 342,082,085.66
Step by Step Solution
- Step 1: Write the proportion equation
456,729,177.96 : 630,286,889.76 = 247,885,323.84 : x - Step 2: Convert to fraction form
456,729,177.96/630,286,889.76 = 247,885,323.84/x - Step 3: Cross multiply
456,729,177.96x = 630,286,889.76 × 247,885,323.84 - Step 4: Simplify right side
456,729,177.96x = 156,238,869,780,263,968 - Step 5: Solve for x
x = 156,238,869,780,263,968/456,729,177.96 - Step 6: Final answer
x = 342,082,085.66
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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.