Finding the Fourth Proportional to 286,997,442.85, 430,390,539.46 and 225,706,353.13
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Solution
The fourth proportional to 286,997,442.85, 430,390,539.46 and 225,706,353.13 is: 338,476,462.08
Step by Step Solution
- Step 1: Write the proportion equation
286,997,442.85 : 430,390,539.46 = 225,706,353.13 : x - Step 2: Convert to fraction form
286,997,442.85/430,390,539.46 = 225,706,353.13/x - Step 3: Cross multiply
286,997,442.85x = 430,390,539.46 × 225,706,353.13 - Step 4: Simplify right side
286,997,442.85x = 97,141,879,083,169,952 - Step 5: Solve for x
x = 97,141,879,083,169,952/286,997,442.85 - Step 6: Final answer
x = 338,476,462.08
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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.