Finding the Fourth Proportional to 2,146,176,321.60, 3,219,264,482.40 and 2,125,768,987.20
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Solution
The fourth proportional to 2,146,176,321.60, 3,219,264,482.40 and 2,125,768,987.20 is: 3,188,653,480.80
Step by Step Solution
- Step 1: Write the proportion equation
2,146,176,321.60 : 3,219,264,482.40 = 2,125,768,987.20 : x - Step 2: Convert to fraction form
2,146,176,321.60/3,219,264,482.40 = 2,125,768,987.20/x - Step 3: Cross multiply
2,146,176,321.60x = 3,219,264,482.40 × 2,125,768,987.20 - Step 4: Simplify right side
2,146,176,321.60x = 6,843,412,598,280,380,416 - Step 5: Solve for x
x = 6,843,412,598,280,380,416/2,146,176,321.60 - Step 6: Final answer
x = 3,188,653,480.80
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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.