Finding the Fourth Proportional to 351,231,519,395.75, 526,475,440,309.30 and 118,142,657,921.99
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Solution
The fourth proportional to 351,231,519,395.75, 526,475,440,309.30 and 118,142,657,921.99 is: 177,088,912,623.21
Step by Step Solution
- Step 1: Write the proportion equation
351,231,519,395.75 : 526,475,440,309.30 = 118,142,657,921.99 : x - Step 2: Convert to fraction form
351,231,519,395.75/526,475,440,309.30 = 118,142,657,921.99/x - Step 3: Cross multiply
351,231,519,395.75x = 526,475,440,309.30 × 118,142,657,921.99 - Step 4: Simplify right side
351,231,519,395.75x = 62,199,207,848,790,697,443,328 - Step 5: Solve for x
x = 62,199,207,848,790,697,443,328/351,231,519,395.75 - Step 6: Final answer
x = 177,088,912,623.21
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1.5x scale
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.