Finding the Fourth Proportional to 1,886,159,837,170.80, 2,829,715,879,408.80 and 526,315,407,238.12
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Solution
The fourth proportional to 1,886,159,837,170.80, 2,829,715,879,408.80 and 526,315,407,238.12 is: 789,605,968,746.09
Step by Step Solution
- Step 1: Write the proportion equation
1,886,159,837,170.80 : 2,829,715,879,408.80 = 526,315,407,238.12 : x - Step 2: Convert to fraction form
1,886,159,837,170.80/2,829,715,879,408.80 = 526,315,407,238.12/x - Step 3: Cross multiply
1,886,159,837,170.80x = 2,829,715,879,408.80 × 526,315,407,238.12 - Step 4: Simplify right side
1,886,159,837,170.80x = 1,489,323,065,439,217,411,686,400 - Step 5: Solve for x
x = 1,489,323,065,439,217,411,686,400/1,886,159,837,170.80 - Step 6: Final answer
x = 789,605,968,746.09
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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.