Finding the Fourth Proportional to 1,418,412,698.70, 2,127,619,048.05 and 449,064,314.70
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Solution
The fourth proportional to 1,418,412,698.70, 2,127,619,048.05 and 449,064,314.70 is: 673,596,472.05
Step by Step Solution
- Step 1: Write the proportion equation
1,418,412,698.70 : 2,127,619,048.05 = 449,064,314.70 : x - Step 2: Convert to fraction form
1,418,412,698.70/2,127,619,048.05 = 449,064,314.70/x - Step 3: Cross multiply
1,418,412,698.70x = 2,127,619,048.05 × 449,064,314.70 - Step 4: Simplify right side
1,418,412,698.70x = 955,437,789,755,239,552 - Step 5: Solve for x
x = 955,437,789,755,239,552/1,418,412,698.70 - Step 6: Final answer
x = 673,596,472.05
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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.