Finding the Fourth Proportional to 743,565,787.96, 1,026,115,111.56 and 409,031,107.24
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Solution
The fourth proportional to 743,565,787.96, 1,026,115,111.56 and 409,031,107.24 is: 564,459,805.75
Step by Step Solution
- Step 1: Write the proportion equation
743,565,787.96 : 1,026,115,111.56 = 409,031,107.24 : x - Step 2: Convert to fraction form
743,565,787.96/1,026,115,111.56 = 409,031,107.24/x - Step 3: Cross multiply
743,565,787.96x = 1,026,115,111.56 × 409,031,107.24 - Step 4: Simplify right side
743,565,787.96x = 419,713,000,237,082,880 - Step 5: Solve for x
x = 419,713,000,237,082,880/743,565,787.96 - Step 6: Final answer
x = 564,459,805.75
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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.