Finding the Fourth Proportional to 435,602,135.70, 610,296,486.30 and 435,602,135.70
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Solution
The fourth proportional to 435,602,135.70, 610,296,486.30 and 435,602,135.70 is: 610,296,486.30
Step by Step Solution
- Step 1: Write the proportion equation
435,602,135.70 : 610,296,486.30 = 435,602,135.70 : x - Step 2: Convert to fraction form
435,602,135.70/610,296,486.30 = 435,602,135.70/x - Step 3: Cross multiply
435,602,135.70x = 610,296,486.30 × 435,602,135.70 - Step 4: Simplify right side
435,602,135.70x = 265,846,452,842,485,760 - Step 5: Solve for x
x = 265,846,452,842,485,760/435,602,135.70 - Step 6: Final answer
x = 610,296,486.30
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.