Finding the Fourth Proportional to 6,618,368,803.36, 9,133,346,720.72 and 3,648,194,655.52
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Solution
The fourth proportional to 6,618,368,803.36, 9,133,346,720.72 and 3,648,194,655.52 is: 5,034,507,396.54
Step by Step Solution
- Step 1: Write the proportion equation
6,618,368,803.36 : 9,133,346,720.72 = 3,648,194,655.52 : x - Step 2: Convert to fraction form
6,618,368,803.36/9,133,346,720.72 = 3,648,194,655.52/x - Step 3: Cross multiply
6,618,368,803.36x = 9,133,346,720.72 × 3,648,194,655.52 - Step 4: Simplify right side
6,618,368,803.36x = 33,320,226,693,541,818,368 - Step 5: Solve for x
x = 33,320,226,693,541,818,368/6,618,368,803.36 - Step 6: Final answer
x = 5,034,507,396.54
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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.