Finding the Fourth Proportional to 1,106,208,027.99, 1,659,096,780.12 and 319,206,351.30
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Solution
The fourth proportional to 1,106,208,027.99, 1,659,096,780.12 and 319,206,351.30 is: 478,747,411.19
Step by Step Solution
- Step 1: Write the proportion equation
1,106,208,027.99 : 1,659,096,780.12 = 319,206,351.30 : x - Step 2: Convert to fraction form
1,106,208,027.99/1,659,096,780.12 = 319,206,351.30/x - Step 3: Cross multiply
1,106,208,027.99x = 1,659,096,780.12 × 319,206,351.30 - Step 4: Simplify right side
1,106,208,027.99x = 529,594,229,635,683,584 - Step 5: Solve for x
x = 529,594,229,635,683,584/1,106,208,027.99 - Step 6: Final answer
x = 478,747,411.19
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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.