Finding the Fourth Proportional to 4,686,407,774.64, 6,466,815,271.80 and 2,780,840,878.20
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Solution
The fourth proportional to 4,686,407,774.64, 6,466,815,271.80 and 2,780,840,878.20 is: 3,837,306,765.52
Step by Step Solution
- Step 1: Write the proportion equation
4,686,407,774.64 : 6,466,815,271.80 = 2,780,840,878.20 : x - Step 2: Convert to fraction form
4,686,407,774.64/6,466,815,271.80 = 2,780,840,878.20/x - Step 3: Cross multiply
4,686,407,774.64x = 6,466,815,271.80 × 2,780,840,878.20 - Step 4: Simplify right side
4,686,407,774.64x = 17,983,184,259,589,482,496 - Step 5: Solve for x
x = 17,983,184,259,589,482,496/4,686,407,774.64 - Step 6: Final answer
x = 3,837,306,765.52
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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.