Finding the Fourth Proportional to 917,940,417.36, 1,377,201,699.04 and 327,717,994.96
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Solution
The fourth proportional to 917,940,417.36, 1,377,201,699.04 and 327,717,994.96 is: 491,680,909.71
Step by Step Solution
- Step 1: Write the proportion equation
917,940,417.36 : 1,377,201,699.04 = 327,717,994.96 : x - Step 2: Convert to fraction form
917,940,417.36/1,377,201,699.04 = 327,717,994.96/x - Step 3: Cross multiply
917,940,417.36x = 1,377,201,699.04 × 327,717,994.96 - Step 4: Simplify right side
917,940,417.36x = 451,333,779,464,894,144 - Step 5: Solve for x
x = 451,333,779,464,894,144/917,940,417.36 - Step 6: Final answer
x = 491,680,909.71
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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.