Finding the Fourth Proportional to 498,182,624.21, 746,984,829.56 and 235,864,972.98
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Solution
The fourth proportional to 498,182,624.21, 746,984,829.56 and 235,864,972.98 is: 353,660,581.64
Step by Step Solution
- Step 1: Write the proportion equation
498,182,624.21 : 746,984,829.56 = 235,864,972.98 : x - Step 2: Convert to fraction form
498,182,624.21/746,984,829.56 = 235,864,972.98/x - Step 3: Cross multiply
498,182,624.21x = 746,984,829.56 × 235,864,972.98 - Step 4: Simplify right side
498,182,624.21x = 176,187,556,639,459,968 - Step 5: Solve for x
x = 176,187,556,639,459,968/498,182,624.21 - Step 6: Final answer
x = 353,660,581.64
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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.