Finding the Fourth Proportional to 346,868,878.23, 478,709,324.15 and 190,266,252.32
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Solution
The fourth proportional to 346,868,878.23, 478,709,324.15 and 190,266,252.32 is: 262,584,033.26
Step by Step Solution
- Step 1: Write the proportion equation
346,868,878.23 : 478,709,324.15 = 190,266,252.32 : x - Step 2: Convert to fraction form
346,868,878.23/478,709,324.15 = 190,266,252.32/x - Step 3: Cross multiply
346,868,878.23x = 478,709,324.15 × 190,266,252.32 - Step 4: Simplify right side
346,868,878.23x = 91,082,229,056,906,000 - Step 5: Solve for x
x = 91,082,229,056,906,000/346,868,878.23 - Step 6: Final answer
x = 262,584,033.26
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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.