Finding the Fourth Proportional to 1,430,784,067.60, 2,146,176,101.40 and 1,421,714,141.20
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Solution
The fourth proportional to 1,430,784,067.60, 2,146,176,101.40 and 1,421,714,141.20 is: 2,132,571,211.80
Step by Step Solution
- Step 1: Write the proportion equation
1,430,784,067.60 : 2,146,176,101.40 = 1,421,714,141.20 : x - Step 2: Convert to fraction form
1,430,784,067.60/2,146,176,101.40 = 1,421,714,141.20/x - Step 3: Cross multiply
1,430,784,067.60x = 2,146,176,101.40 × 1,421,714,141.20 - Step 4: Simplify right side
1,430,784,067.60x = 3,051,248,912,865,865,216 - Step 5: Solve for x
x = 3,051,248,912,865,865,216/1,430,784,067.60 - Step 6: Final answer
x = 2,132,571,211.80
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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.