Finding the Fourth Proportional to 2,158,409,425.08, 3,237,922,980.96 and 664,567,363.68
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Solution
The fourth proportional to 2,158,409,425.08, 3,237,922,980.96 and 664,567,363.68 is: 996,946,137.40
Step by Step Solution
- Step 1: Write the proportion equation
2,158,409,425.08 : 3,237,922,980.96 = 664,567,363.68 : x - Step 2: Convert to fraction form
2,158,409,425.08/3,237,922,980.96 = 664,567,363.68/x - Step 3: Cross multiply
2,158,409,425.08x = 3,237,922,980.96 × 664,567,363.68 - Step 4: Simplify right side
2,158,409,425.08x = 2,151,817,939,255,473,920 - Step 5: Solve for x
x = 2,151,817,939,255,473,920/2,158,409,425.08 - Step 6: Final answer
x = 996,946,137.40
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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.