Finding the Fourth Proportional to 893,354,705.98, 1,339,983,564.84 and 271,521,455.68
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Solution
The fourth proportional to 893,354,705.98, 1,339,983,564.84 and 271,521,455.68 is: 407,267,444.47
Step by Step Solution
- Step 1: Write the proportion equation
893,354,705.98 : 1,339,983,564.84 = 271,521,455.68 : x - Step 2: Convert to fraction form
893,354,705.98/1,339,983,564.84 = 271,521,455.68/x - Step 3: Cross multiply
893,354,705.98x = 1,339,983,564.84 × 271,521,455.68 - Step 4: Simplify right side
893,354,705.98x = 363,834,288,112,632,448 - Step 5: Solve for x
x = 363,834,288,112,632,448/893,354,705.98 - Step 6: Final answer
x = 407,267,444.47
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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.