Finding the Fourth Proportional to 675,287,548.47, 1,012,982,408.94 and 208,996,134.14
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Solution
The fourth proportional to 675,287,548.47, 1,012,982,408.94 and 208,996,134.14 is: 313,510,011.99
Step by Step Solution
- Step 1: Write the proportion equation
675,287,548.47 : 1,012,982,408.94 = 208,996,134.14 : x - Step 2: Convert to fraction form
675,287,548.47/1,012,982,408.94 = 208,996,134.14/x - Step 3: Cross multiply
675,287,548.47x = 1,012,982,408.94 × 208,996,134.14 - Step 4: Simplify right side
675,287,548.47x = 211,709,407,415,219,680 - Step 5: Solve for x
x = 211,709,407,415,219,680/675,287,548.47 - Step 6: Final answer
x = 313,510,011.99
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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.