Finding the Fourth Proportional to 74,682,970,756.02, 103,062,810,156.30 and 40,388,677,312.68
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Solution
The fourth proportional to 74,682,970,756.02, 103,062,810,156.30 and 40,388,677,312.68 is: 55,736,542,617.45
Step by Step Solution
- Step 1: Write the proportion equation
74,682,970,756.02 : 103,062,810,156.30 = 40,388,677,312.68 : x - Step 2: Convert to fraction form
74,682,970,756.02/103,062,810,156.30 = 40,388,677,312.68/x - Step 3: Cross multiply
74,682,970,756.02x = 103,062,810,156.30 × 40,388,677,312.68 - Step 4: Simplify right side
74,682,970,756.02x = 4,162,570,582,340,800,086,016 - Step 5: Solve for x
x = 4,162,570,582,340,800,086,016/74,682,970,756.02 - Step 6: Final answer
x = 55,736,542,617.45
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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.