Finding the Fourth Proportional to 712,051,457.68, 1,068,197,777.70 and 245,586,227.68
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Solution
The fourth proportional to 712,051,457.68, 1,068,197,777.70 and 245,586,227.68 is: 368,420,933.36
Step by Step Solution
- Step 1: Write the proportion equation
712,051,457.68 : 1,068,197,777.70 = 245,586,227.68 : x - Step 2: Convert to fraction form
712,051,457.68/1,068,197,777.70 = 245,586,227.68/x - Step 3: Cross multiply
712,051,457.68x = 1,068,197,777.70 × 245,586,227.68 - Step 4: Simplify right side
712,051,457.68x = 262,334,662,641,502,240 - Step 5: Solve for x
x = 262,334,662,641,502,240/712,051,457.68 - Step 6: Final answer
x = 368,420,933.36
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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.