Finding the Fourth Proportional to 4,831,814,106.15, 6,667,798,955.74 and 2,797,350,754.21
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Solution
The fourth proportional to 4,831,814,106.15, 6,667,798,955.74 and 2,797,350,754.21 is: 3,860,283,534.92
Step by Step Solution
- Step 1: Write the proportion equation
4,831,814,106.15 : 6,667,798,955.74 = 2,797,350,754.21 : x - Step 2: Convert to fraction form
4,831,814,106.15/6,667,798,955.74 = 2,797,350,754.21/x - Step 3: Cross multiply
4,831,814,106.15x = 6,667,798,955.74 × 2,797,350,754.21 - Step 4: Simplify right side
4,831,814,106.15x = 18,652,172,437,734,768,640 - Step 5: Solve for x
x = 18,652,172,437,734,768,640/4,831,814,106.15 - Step 6: Final answer
x = 3,860,283,534.92
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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.