Finding the Fourth Proportional to 75,834,178,331.74, 104,611,490,043.24 and 46,889,115,660.21
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Solution
The fourth proportional to 75,834,178,331.74, 104,611,490,043.24 and 46,889,115,660.21 is: 64,682,447,465.40
Step by Step Solution
- Step 1: Write the proportion equation
75,834,178,331.74 : 104,611,490,043.24 = 46,889,115,660.21 : x - Step 2: Convert to fraction form
75,834,178,331.74/104,611,490,043.24 = 46,889,115,660.21/x - Step 3: Cross multiply
75,834,178,331.74x = 104,611,490,043.24 × 46,889,115,660.21 - Step 4: Simplify right side
75,834,178,331.74x = 4,905,140,256,024,387,649,536 - Step 5: Solve for x
x = 4,905,140,256,024,387,649,536/75,834,178,331.74 - Step 6: Final answer
x = 64,682,447,465.40
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1.5x scale
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.