Finding the Fourth Proportional to 257,212,988,088.87, 354,954,217,835.29 and 143,025,157,425.99
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Solution
The fourth proportional to 257,212,988,088.87, 354,954,217,835.29 and 143,025,157,425.99 is: 197,374,880,880.32
Step by Step Solution
- Step 1: Write the proportion equation
257,212,988,088.87 : 354,954,217,835.29 = 143,025,157,425.99 : x - Step 2: Convert to fraction form
257,212,988,088.87/354,954,217,835.29 = 143,025,157,425.99/x - Step 3: Cross multiply
257,212,988,088.87x = 354,954,217,835.29 × 143,025,157,425.99 - Step 4: Simplify right side
257,212,988,088.87x = 50,767,382,884,911,497,084,928 - Step 5: Solve for x
x = 50,767,382,884,911,497,084,928/257,212,988,088.87 - Step 6: Final answer
x = 197,374,880,880.32
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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.