Finding the Fourth Proportional to 7,422,944,109.80, 11,134,416,164.70 and 4,284,838,148.92
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Solution
The fourth proportional to 7,422,944,109.80, 11,134,416,164.70 and 4,284,838,148.92 is: 6,427,257,223.38
Step by Step Solution
- Step 1: Write the proportion equation
7,422,944,109.80 : 11,134,416,164.70 = 4,284,838,148.92 : x - Step 2: Convert to fraction form
7,422,944,109.80/11,134,416,164.70 = 4,284,838,148.92/x - Step 3: Cross multiply
7,422,944,109.80x = 11,134,416,164.70 × 4,284,838,148.92 - Step 4: Simplify right side
7,422,944,109.80x = 47,709,171,148,458,074,112 - Step 5: Solve for x
x = 47,709,171,148,458,074,112/7,422,944,109.80 - Step 6: Final answer
x = 6,427,257,223.38
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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.