Finding the Fourth Proportional to 313,589,298.79, 470,283,244.92 and 103,452,748.12
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Solution
The fourth proportional to 313,589,298.79, 470,283,244.92 and 103,452,748.12 is: 155,145,900.29
Step by Step Solution
- Step 1: Write the proportion equation
313,589,298.79 : 470,283,244.92 = 103,452,748.12 : x - Step 2: Convert to fraction form
313,589,298.79/470,283,244.92 = 103,452,748.12/x - Step 3: Cross multiply
313,589,298.79x = 470,283,244.92 × 103,452,748.12 - Step 4: Simplify right side
313,589,298.79x = 48,652,094,081,765,032 - Step 5: Solve for x
x = 48,652,094,081,765,032/313,589,298.79 - Step 6: Final answer
x = 155,145,900.29
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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.