Finding the Fourth Proportional to 1,352,460,418,675.40, 1,866,396,580,419.20 and 735,163,136,726.54
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Solution
The fourth proportional to 1,352,460,418,675.40, 1,866,396,580,419.20 and 735,163,136,726.54 is: 1,014,525,782,411.07
Step by Step Solution
- Step 1: Write the proportion equation
1,352,460,418,675.40 : 1,866,396,580,419.20 = 735,163,136,726.54 : x - Step 2: Convert to fraction form
1,352,460,418,675.40/1,866,396,580,419.20 = 735,163,136,726.54/x - Step 3: Cross multiply
1,352,460,418,675.40x = 1,866,396,580,419.20 × 735,163,136,726.54 - Step 4: Simplify right side
1,352,460,418,675.40x = 1,372,105,964,436,667,093,745,664 - Step 5: Solve for x
x = 1,372,105,964,436,667,093,745,664/1,352,460,418,675.40 - Step 6: Final answer
x = 1,014,525,782,411.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.