Finding the Fourth Proportional to 851,211,949.44, 1,174,739,035.80 and 474,986,830.08
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Solution
The fourth proportional to 851,211,949.44, 1,174,739,035.80 and 474,986,830.08 is: 655,518,958.77
Step by Step Solution
- Step 1: Write the proportion equation
851,211,949.44 : 1,174,739,035.80 = 474,986,830.08 : x - Step 2: Convert to fraction form
851,211,949.44/1,174,739,035.80 = 474,986,830.08/x - Step 3: Cross multiply
851,211,949.44x = 1,174,739,035.80 × 474,986,830.08 - Step 4: Simplify right side
851,211,949.44x = 557,985,570,785,877,568 - Step 5: Solve for x
x = 557,985,570,785,877,568/851,211,949.44 - Step 6: Final answer
x = 655,518,958.77
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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.