Finding the Fourth Proportional to 9,659,888,624.64, 13,330,691,445.72 and 5,487,951,406.08
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Solution
The fourth proportional to 9,659,888,624.64, 13,330,691,445.72 and 5,487,951,406.08 is: 7,573,398,587.32
Step by Step Solution
- Step 1: Write the proportion equation
9,659,888,624.64 : 13,330,691,445.72 = 5,487,951,406.08 : x - Step 2: Convert to fraction form
9,659,888,624.64/13,330,691,445.72 = 5,487,951,406.08/x - Step 3: Cross multiply
9,659,888,624.64x = 13,330,691,445.72 × 5,487,951,406.08 - Step 4: Simplify right side
9,659,888,624.64x = 73,158,186,863,557,697,536 - Step 5: Solve for x
x = 73,158,186,863,557,697,536/9,659,888,624.64 - Step 6: Final answer
x = 7,573,398,587.32
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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.