Finding the Fourth Proportional to 7,495,934,745.12, 10,338,358,268.88 and 6,589,753,128.96
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Solution
The fourth proportional to 7,495,934,745.12, 10,338,358,268.88 and 6,589,753,128.96 is: 9,088,556,806.74
Step by Step Solution
- Step 1: Write the proportion equation
7,495,934,745.12 : 10,338,358,268.88 = 6,589,753,128.96 : x - Step 2: Convert to fraction form
7,495,934,745.12/10,338,358,268.88 = 6,589,753,128.96/x - Step 3: Cross multiply
7,495,934,745.12x = 10,338,358,268.88 × 6,589,753,128.96 - Step 4: Simplify right side
7,495,934,745.12x = 68,127,228,750,661,459,968 - Step 5: Solve for x
x = 68,127,228,750,661,459,968/7,495,934,745.12 - Step 6: Final answer
x = 9,088,556,806.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.