Finding the Fourth Proportional to 451,991,409.74, 677,989,508.86 and 141,072,987.53
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Solution
The fourth proportional to 451,991,409.74, 677,989,508.86 and 141,072,987.53 is: 211,610,228.58
Step by Step Solution
- Step 1: Write the proportion equation
451,991,409.74 : 677,989,508.86 = 141,072,987.53 : x - Step 2: Convert to fraction form
451,991,409.74/677,989,508.86 = 141,072,987.53/x - Step 3: Cross multiply
451,991,409.74x = 677,989,508.86 × 141,072,987.53 - Step 4: Simplify right side
451,991,409.74x = 95,646,005,531,895,600 - Step 5: Solve for x
x = 95,646,005,531,895,600/451,991,409.74 - Step 6: Final answer
x = 211,610,228.58
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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.