Finding the Fourth Proportional to 313,589,299.79, 470,283,246.42 and 103,452,749.12
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Solution
The fourth proportional to 313,589,299.79, 470,283,246.42 and 103,452,749.12 is: 155,145,901.79
Step by Step Solution
- Step 1: Write the proportion equation
313,589,299.79 : 470,283,246.42 = 103,452,749.12 : x - Step 2: Convert to fraction form
313,589,299.79/470,283,246.42 = 103,452,749.12/x - Step 3: Cross multiply
313,589,299.79x = 470,283,246.42 × 103,452,749.12 - Step 4: Simplify right side
313,589,299.79x = 48,652,094,707,227,400 - Step 5: Solve for x
x = 48,652,094,707,227,400/313,589,299.79 - Step 6: Final answer
x = 155,145,901.79
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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.