Finding the Fourth Proportional to 1,374,121,122,832.20, 1,896,373,269,451.20 and 756,823,718,132.75
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Solution
The fourth proportional to 1,374,121,122,832.20, 1,896,373,269,451.20 and 756,823,718,132.75 is: 1,044,464,163,243.11
Step by Step Solution
- Step 1: Write the proportion equation
1,374,121,122,832.20 : 1,896,373,269,451.20 = 756,823,718,132.75 : x - Step 2: Convert to fraction form
1,374,121,122,832.20/1,896,373,269,451.20 = 756,823,718,132.75/x - Step 3: Cross multiply
1,374,121,122,832.20x = 1,896,373,269,451.20 × 756,823,718,132.75 - Step 4: Simplify right side
1,374,121,122,832.20x = 1,435,220,268,753,616,627,564,544 - Step 5: Solve for x
x = 1,435,220,268,753,616,627,564,544/1,374,121,122,832.20 - Step 6: Final answer
x = 1,044,464,163,243.11
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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.