Finding the Fourth Proportional to 745,024,546.72, 1,117,709,735.56 and 253,742,072.68
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Solution
The fourth proportional to 745,024,546.72, 1,117,709,735.56 and 253,742,072.68 is: 380,672,000.95
Step by Step Solution
- Step 1: Write the proportion equation
745,024,546.72 : 1,117,709,735.56 = 253,742,072.68 : x - Step 2: Convert to fraction form
745,024,546.72/1,117,709,735.56 = 253,742,072.68/x - Step 3: Cross multiply
745,024,546.72x = 1,117,709,735.56 × 253,742,072.68 - Step 4: Simplify right side
745,024,546.72x = 283,609,984,955,609,088 - Step 5: Solve for x
x = 283,609,984,955,609,088/745,024,546.72 - Step 6: Final answer
x = 380,672,000.95
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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.