Finding the Fourth Proportional to 68,441,201,385.20, 94,436,369,521.46 and 39,494,831,246.36
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Solution
The fourth proportional to 68,441,201,385.20, 94,436,369,521.46 and 39,494,831,246.36 is: 54,495,660,541.92
Step by Step Solution
- Step 1: Write the proportion equation
68,441,201,385.20 : 94,436,369,521.46 = 39,494,831,246.36 : x - Step 2: Convert to fraction form
68,441,201,385.20/94,436,369,521.46 = 39,494,831,246.36/x - Step 3: Cross multiply
68,441,201,385.20x = 94,436,369,521.46 × 39,494,831,246.36 - Step 4: Simplify right side
68,441,201,385.20x = 3,729,748,477,768,957,952,000 - Step 5: Solve for x
x = 3,729,748,477,768,957,952,000/68,441,201,385.20 - Step 6: Final answer
x = 54,495,660,541.92
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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.