Finding the Fourth Proportional to 427,258,683.24, 589,641,693.84 and 239,085,334.68
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Solution
The fourth proportional to 427,258,683.24, 589,641,693.84 and 239,085,334.68 is: 329,951,589.62
Step by Step Solution
- Step 1: Write the proportion equation
427,258,683.24 : 589,641,693.84 = 239,085,334.68 : x - Step 2: Convert to fraction form
427,258,683.24/589,641,693.84 = 239,085,334.68/x - Step 3: Cross multiply
427,258,683.24x = 589,641,693.84 × 239,085,334.68 - Step 4: Simplify right side
427,258,683.24x = 140,974,681,713,018,512 - Step 5: Solve for x
x = 140,974,681,713,018,512/427,258,683.24 - Step 6: Final answer
x = 329,951,589.62
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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.