Finding the Fourth Proportional to 673,742,247.12, 1,010,709,775.02 and 207,443,125.26
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Solution
The fourth proportional to 673,742,247.12, 1,010,709,775.02 and 207,443,125.26 is: 311,194,370.48
Step by Step Solution
- Step 1: Write the proportion equation
673,742,247.12 : 1,010,709,775.02 = 207,443,125.26 : x - Step 2: Convert to fraction form
673,742,247.12/1,010,709,775.02 = 207,443,125.26/x - Step 3: Cross multiply
673,742,247.12x = 1,010,709,775.02 × 207,443,125.26 - Step 4: Simplify right side
673,742,247.12x = 209,664,794,460,980,256 - Step 5: Solve for x
x = 209,664,794,460,980,256/673,742,247.12 - Step 6: Final answer
x = 311,194,370.48
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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.