Finding the Fourth Proportional to 579,046,684.96, 868,569,474.48 and 148,224,489.76
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Solution
The fourth proportional to 579,046,684.96, 868,569,474.48 and 148,224,489.76 is: 222,336,593.09
Step by Step Solution
- Step 1: Write the proportion equation
579,046,684.96 : 868,569,474.48 = 148,224,489.76 : x - Step 2: Convert to fraction form
579,046,684.96/868,569,474.48 = 148,224,489.76/x - Step 3: Cross multiply
579,046,684.96x = 868,569,474.48 × 148,224,489.76 - Step 4: Simplify right side
579,046,684.96x = 128,743,267,175,909,328 - Step 5: Solve for x
x = 128,743,267,175,909,328/579,046,684.96 - Step 6: Final answer
x = 222,336,593.09
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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.