Finding the Fourth Proportional to 1,430,784,081.60, 2,146,176,122.40 and 886,588,497.60
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Solution
The fourth proportional to 1,430,784,081.60, 2,146,176,122.40 and 886,588,497.60 is: 1,329,882,746.40
Step by Step Solution
- Step 1: Write the proportion equation
1,430,784,081.60 : 2,146,176,122.40 = 886,588,497.60 : x - Step 2: Convert to fraction form
1,430,784,081.60/2,146,176,122.40 = 886,588,497.60/x - Step 3: Cross multiply
1,430,784,081.60x = 2,146,176,122.40 × 886,588,497.60 - Step 4: Simplify right side
1,430,784,081.60x = 1,902,775,063,943,609,856 - Step 5: Solve for x
x = 1,902,775,063,943,609,856/1,430,784,081.60 - Step 6: Final answer
x = 1,329,882,746.40
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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.