Finding the Fourth Proportional to 608,742,433.08, 913,278,396.42 and 434,086,120.08
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Solution
The fourth proportional to 608,742,433.08, 913,278,396.42 and 434,086,120.08 is: 651,246,658.87
Step by Step Solution
- Step 1: Write the proportion equation
608,742,433.08 : 913,278,396.42 = 434,086,120.08 : x - Step 2: Convert to fraction form
608,742,433.08/913,278,396.42 = 434,086,120.08/x - Step 3: Cross multiply
608,742,433.08x = 913,278,396.42 × 434,086,120.08 - Step 4: Simplify right side
608,742,433.08x = 396,441,475,654,841,920 - Step 5: Solve for x
x = 396,441,475,654,841,920/608,742,433.08 - Step 6: Final answer
x = 651,246,658.87
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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.