Finding the Fourth Proportional to 1,136,339,587.74, 1,567,702,452.69 and 659,948,860.74
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Solution
The fourth proportional to 1,136,339,587.74, 1,567,702,452.69 and 659,948,860.74 is: 910,470,302.01
Step by Step Solution
- Step 1: Write the proportion equation
1,136,339,587.74 : 1,567,702,452.69 = 659,948,860.74 : x - Step 2: Convert to fraction form
1,136,339,587.74/1,567,702,452.69 = 659,948,860.74/x - Step 3: Cross multiply
1,136,339,587.74x = 1,567,702,452.69 × 659,948,860.74 - Step 4: Simplify right side
1,136,339,587.74x = 1,034,603,447,632,069,248 - Step 5: Solve for x
x = 1,034,603,447,632,069,248/1,136,339,587.74 - Step 6: Final answer
x = 910,470,302.01
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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.