Finding the Fourth Proportional to 4,780,312,830.72, 7,170,482,698.26 and 1,833,495,736.26
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Solution
The fourth proportional to 4,780,312,830.72, 7,170,482,698.26 and 1,833,495,736.26 is: 2,750,248,763.99
Step by Step Solution
- Step 1: Write the proportion equation
4,780,312,830.72 : 7,170,482,698.26 = 1,833,495,736.26 : x - Step 2: Convert to fraction form
4,780,312,830.72/7,170,482,698.26 = 1,833,495,736.26/x - Step 3: Cross multiply
4,780,312,830.72x = 7,170,482,698.26 × 1,833,495,736.26 - Step 4: Simplify right side
4,780,312,830.72x = 13,147,049,454,185,809,920 - Step 5: Solve for x
x = 13,147,049,454,185,809,920/4,780,312,830.72 - Step 6: Final answer
x = 2,750,248,763.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.