Finding the Fourth Proportional to 837,940,285.56, 1,156,393,467.18 and 466,662,316.44
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Solution
The fourth proportional to 837,940,285.56, 1,156,393,467.18 and 466,662,316.44 is: 644,013,974.99
Step by Step Solution
- Step 1: Write the proportion equation
837,940,285.56 : 1,156,393,467.18 = 466,662,316.44 : x - Step 2: Convert to fraction form
837,940,285.56/1,156,393,467.18 = 466,662,316.44/x - Step 3: Cross multiply
837,940,285.56x = 1,156,393,467.18 × 466,662,316.44 - Step 4: Simplify right side
837,940,285.56x = 539,645,254,110,301,952 - Step 5: Solve for x
x = 539,645,254,110,301,952/837,940,285.56 - Step 6: Final answer
x = 644,013,974.99
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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.