Finding the Fourth Proportional to 4,885,763,992,247.40, 6,742,660,513,542.80 and 2,690,928,775,539
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Solution
The fourth proportional to 4,885,763,992,247.40, 6,742,660,513,542.80 and 2,690,928,775,539 is: 3,713,650,358,137.10
Step by Step Solution
- Step 1: Write the proportion equation
4,885,763,992,247.40 : 6,742,660,513,542.80 = 2,690,928,775,539 : x - Step 2: Convert to fraction form
4,885,763,992,247.40/6,742,660,513,542.80 = 2,690,928,775,539/x - Step 3: Cross multiply
4,885,763,992,247.40x = 6,742,660,513,542.80 × 2,690,928,775,539 - Step 4: Simplify right side
4,885,763,992,247.40x = 18,144,019,199,582,891,239,538,688 - Step 5: Solve for x
x = 18,144,019,199,582,891,239,538,688/4,885,763,992,247.40 - Step 6: Final answer
x = 3,713,650,358,137.10
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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.