Finding the Fourth Proportional to 925,652,743.58, 1,277,337,896.82 and 507,991,933.08
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Solution
The fourth proportional to 925,652,743.58, 1,277,337,896.82 and 507,991,933.08 is: 700,994,354.42
Step by Step Solution
- Step 1: Write the proportion equation
925,652,743.58 : 1,277,337,896.82 = 507,991,933.08 : x - Step 2: Convert to fraction form
925,652,743.58/1,277,337,896.82 = 507,991,933.08/x - Step 3: Cross multiply
925,652,743.58x = 1,277,337,896.82 × 507,991,933.08 - Step 4: Simplify right side
925,652,743.58x = 648,877,347,401,933,312 - Step 5: Solve for x
x = 648,877,347,401,933,312/925,652,743.58 - Step 6: Final answer
x = 700,994,354.42
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1.5x scale
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.