Finding the Fourth Proportional to 2,861,567,995.10, 4,292,351,992.65 and 2,748,697,799.90
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Solution
The fourth proportional to 2,861,567,995.10, 4,292,351,992.65 and 2,748,697,799.90 is: 4,123,046,699.85
Step by Step Solution
- Step 1: Write the proportion equation
2,861,567,995.10 : 4,292,351,992.65 = 2,748,697,799.90 : x - Step 2: Convert to fraction form
2,861,567,995.10/4,292,351,992.65 = 2,748,697,799.90/x - Step 3: Cross multiply
2,861,567,995.10x = 4,292,351,992.65 × 2,748,697,799.90 - Step 4: Simplify right side
2,861,567,995.10x = 11,798,378,478,593,435,648 - Step 5: Solve for x
x = 11,798,378,478,593,435,648/2,861,567,995.10 - Step 6: Final answer
x = 4,123,046,699.85
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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.