Finding the Fourth Proportional to 427,258,685.24, 589,641,696.60 and 239,085,336.68
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Solution
The fourth proportional to 427,258,685.24, 589,641,696.60 and 239,085,336.68 is: 329,951,592.38
Step by Step Solution
- Step 1: Write the proportion equation
427,258,685.24 : 589,641,696.60 = 239,085,336.68 : x - Step 2: Convert to fraction form
427,258,685.24/589,641,696.60 = 239,085,336.68/x - Step 3: Cross multiply
427,258,685.24x = 589,641,696.60 × 239,085,336.68 - Step 4: Simplify right side
427,258,685.24x = 140,974,683,552,177,424 - Step 5: Solve for x
x = 140,974,683,552,177,424/427,258,685.24 - Step 6: Final answer
x = 329,951,592.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.