Finding the Fourth Proportional to 645,408,049.30, 968,112,073.95 and 160,733,857.30
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Solution
The fourth proportional to 645,408,049.30, 968,112,073.95 and 160,733,857.30 is: 241,100,785.95
Step by Step Solution
- Step 1: Write the proportion equation
645,408,049.30 : 968,112,073.95 = 160,733,857.30 : x - Step 2: Convert to fraction form
645,408,049.30/968,112,073.95 = 160,733,857.30/x - Step 3: Cross multiply
645,408,049.30x = 968,112,073.95 × 160,733,857.30 - Step 4: Simplify right side
645,408,049.30x = 155,608,387,944,686,368 - Step 5: Solve for x
x = 155,608,387,944,686,368/645,408,049.30 - Step 6: Final answer
x = 241,100,785.95
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Similar ratio
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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.