Finding the Fourth Proportional to 1,184,686,516.45, 1,777,029,774.68 and 572,466,484.45
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Solution
The fourth proportional to 1,184,686,516.45, 1,777,029,774.68 and 572,466,484.45 is: 858,699,726.68
Step by Step Solution
- Step 1: Write the proportion equation
1,184,686,516.45 : 1,777,029,774.68 = 572,466,484.45 : x - Step 2: Convert to fraction form
1,184,686,516.45/1,777,029,774.68 = 572,466,484.45/x - Step 3: Cross multiply
1,184,686,516.45x = 1,777,029,774.68 × 572,466,484.45 - Step 4: Simplify right side
1,184,686,516.45x = 1,017,289,987,874,035,328 - Step 5: Solve for x
x = 1,017,289,987,874,035,328/1,184,686,516.45 - Step 6: Final answer
x = 858,699,726.68
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Double scale
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Similar ratio
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1.5x scale
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.