Finding the Fourth Proportional to 4,142,235,191.14, 5,716,284,345.12 and 2,236,996,483.18
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Solution
The fourth proportional to 4,142,235,191.14, 5,716,284,345.12 and 2,236,996,483.18 is: 3,087,055,028.71
Step by Step Solution
- Step 1: Write the proportion equation
4,142,235,191.14 : 5,716,284,345.12 = 2,236,996,483.18 : x - Step 2: Convert to fraction form
4,142,235,191.14/5,716,284,345.12 = 2,236,996,483.18/x - Step 3: Cross multiply
4,142,235,191.14x = 5,716,284,345.12 × 2,236,996,483.18 - Step 4: Simplify right side
4,142,235,191.14x = 12,787,307,976,890,329,088 - Step 5: Solve for x
x = 12,787,307,976,890,329,088/4,142,235,191.14 - Step 6: Final answer
x = 3,087,055,028.71
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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.