Finding the Fourth Proportional to 503,190,688.80, 754,337,260.80 and 196,411,450.80
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Solution
The fourth proportional to 503,190,688.80, 754,337,260.80 and 196,411,450.80 is: 294,442,005.95
Step by Step Solution
- Step 1: Write the proportion equation
503,190,688.80 : 754,337,260.80 = 196,411,450.80 : x - Step 2: Convert to fraction form
503,190,688.80/754,337,260.80 = 196,411,450.80/x - Step 3: Cross multiply
503,190,688.80x = 754,337,260.80 × 196,411,450.80 - Step 4: Simplify right side
503,190,688.80x = 148,160,475,786,225,984 - Step 5: Solve for x
x = 148,160,475,786,225,984/503,190,688.80 - Step 6: Final answer
x = 294,442,005.95
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1.5x scale
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.