Finding the Fourth Proportional to 7,558,287,565.20, 11,337,431,347.80 and 5,191,036,774.80
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Solution
The fourth proportional to 7,558,287,565.20, 11,337,431,347.80 and 5,191,036,774.80 is: 7,786,555,162.20
Step by Step Solution
- Step 1: Write the proportion equation
7,558,287,565.20 : 11,337,431,347.80 = 5,191,036,774.80 : x - Step 2: Convert to fraction form
7,558,287,565.20/11,337,431,347.80 = 5,191,036,774.80/x - Step 3: Cross multiply
7,558,287,565.20x = 11,337,431,347.80 × 5,191,036,774.80 - Step 4: Simplify right side
7,558,287,565.20x = 58,853,023,058,200,125,440 - Step 5: Solve for x
x = 58,853,023,058,200,125,440/7,558,287,565.20 - Step 6: Final answer
x = 7,786,555,162.20
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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.