Finding the Fourth Proportional to 345,742,605.58, 518,614,794.10 and 141,270,680.84
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Solution
The fourth proportional to 345,742,605.58, 518,614,794.10 and 141,270,680.84 is: 211,906,383.17
Step by Step Solution
- Step 1: Write the proportion equation
345,742,605.58 : 518,614,794.10 = 141,270,680.84 : x - Step 2: Convert to fraction form
345,742,605.58/518,614,794.10 = 141,270,680.84/x - Step 3: Cross multiply
345,742,605.58x = 518,614,794.10 × 141,270,680.84 - Step 4: Simplify right side
345,742,605.58x = 73,265,065,056,203,424 - Step 5: Solve for x
x = 73,265,065,056,203,424/345,742,605.58 - Step 6: Final answer
x = 211,906,383.17
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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.