Finding the Fourth Proportional to 1,574,419,026.49, 2,361,637,368.16 and 525,154,349.90
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Solution
The fourth proportional to 1,574,419,026.49, 2,361,637,368.16 and 525,154,349.90 is: 787,734,469.61
Step by Step Solution
- Step 1: Write the proportion equation
1,574,419,026.49 : 2,361,637,368.16 = 525,154,349.90 : x - Step 2: Convert to fraction form
1,574,419,026.49/2,361,637,368.16 = 525,154,349.90/x - Step 3: Cross multiply
1,574,419,026.49x = 2,361,637,368.16 × 525,154,349.90 - Step 4: Simplify right side
1,574,419,026.49x = 1,240,224,136,780,202,752 - Step 5: Solve for x
x = 1,240,224,136,780,202,752/1,574,419,026.49 - Step 6: Final answer
x = 787,734,469.61
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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.