Finding the Fourth Proportional to 5,474,391,091.80, 8,195,462,324.10 and 5,155,488,000.60
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Solution
The fourth proportional to 5,474,391,091.80, 8,195,462,324.10 and 5,155,488,000.60 is: 7,718,046,986.92
Step by Step Solution
- Step 1: Write the proportion equation
5,474,391,091.80 : 8,195,462,324.10 = 5,155,488,000.60 : x - Step 2: Convert to fraction form
5,474,391,091.80/8,195,462,324.10 = 5,155,488,000.60/x - Step 3: Cross multiply
5,474,391,091.80x = 8,195,462,324.10 × 5,155,488,000.60 - Step 4: Simplify right side
5,474,391,091.80x = 42,251,607,671,266,942,976 - Step 5: Solve for x
x = 42,251,607,671,266,942,976/5,474,391,091.80 - Step 6: Final answer
x = 7,718,046,986.92
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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.