Finding the Fourth Proportional to 2,144,495,457.53, 3,214,900,869.79 and 745,297,940.71
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Solution
The fourth proportional to 2,144,495,457.53, 3,214,900,869.79 and 745,297,940.71 is: 1,117,306,632.39
Step by Step Solution
- Step 1: Write the proportion equation
2,144,495,457.53 : 3,214,900,869.79 = 745,297,940.71 : x - Step 2: Convert to fraction form
2,144,495,457.53/3,214,900,869.79 = 745,297,940.71/x - Step 3: Cross multiply
2,144,495,457.53x = 3,214,900,869.79 × 745,297,940.71 - Step 4: Simplify right side
2,144,495,457.53x = 2,396,058,997,831,374,336 - Step 5: Solve for x
x = 2,396,058,997,831,374,336/2,144,495,457.53 - Step 6: Final answer
x = 1,117,306,632.39
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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.