Finding the Fourth Proportional to 1,688,341,863.68, 2,528,770,983.68 and 1,297,286,201.60
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Solution
The fourth proportional to 1,688,341,863.68, 2,528,770,983.68 and 1,297,286,201.60 is: 1,943,054,173.27
Step by Step Solution
- Step 1: Write the proportion equation
1,688,341,863.68 : 2,528,770,983.68 = 1,297,286,201.60 : x - Step 2: Convert to fraction form
1,688,341,863.68/2,528,770,983.68 = 1,297,286,201.60/x - Step 3: Cross multiply
1,688,341,863.68x = 2,528,770,983.68 × 1,297,286,201.60 - Step 4: Simplify right side
1,688,341,863.68x = 3,280,539,704,134,522,368 - Step 5: Solve for x
x = 3,280,539,704,134,522,368/1,688,341,863.68 - Step 6: Final answer
x = 1,943,054,173.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.