Finding the Fourth Proportional to 7,257,991,789.10, 10,888,135,595.91 and 2,599,762,620.62
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Solution
The fourth proportional to 7,257,991,789.10, 10,888,135,595.91 and 2,599,762,620.62 is: 3,900,055,105.19
Step by Step Solution
- Step 1: Write the proportion equation
7,257,991,789.10 : 10,888,135,595.91 = 2,599,762,620.62 : x - Step 2: Convert to fraction form
7,257,991,789.10/10,888,135,595.91 = 2,599,762,620.62/x - Step 3: Cross multiply
7,257,991,789.10x = 10,888,135,595.91 × 2,599,762,620.62 - Step 4: Simplify right side
7,257,991,789.10x = 28,306,567,930,516,107,264 - Step 5: Solve for x
x = 28,306,567,930,516,107,264/7,257,991,789.10 - Step 6: Final answer
x = 3,900,055,105.19
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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.