Finding the Fourth Proportional to 1,372,051,801.44, 2,058,122,106.57 and 653,170,439.76
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Solution
The fourth proportional to 1,372,051,801.44, 2,058,122,106.57 and 653,170,439.76 is: 979,776,798.53
Step by Step Solution
- Step 1: Write the proportion equation
1,372,051,801.44 : 2,058,122,106.57 = 653,170,439.76 : x - Step 2: Convert to fraction form
1,372,051,801.44/2,058,122,106.57 = 653,170,439.76/x - Step 3: Cross multiply
1,372,051,801.44x = 2,058,122,106.57 × 653,170,439.76 - Step 4: Simplify right side
1,372,051,801.44x = 1,344,304,521,428,104,448 - Step 5: Solve for x
x = 1,344,304,521,428,104,448/1,372,051,801.44 - Step 6: Final answer
x = 979,776,798.53
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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.