Finding the Fourth Proportional to 40,400,415,501.86, 55,743,326,351.54 and 24,120,859,701.99
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Solution
The fourth proportional to 40,400,415,501.86, 55,743,326,351.54 and 24,120,859,701.99 is: 33,281,265,490.59
Step by Step Solution
- Step 1: Write the proportion equation
40,400,415,501.86 : 55,743,326,351.54 = 24,120,859,701.99 : x - Step 2: Convert to fraction form
40,400,415,501.86/55,743,326,351.54 = 24,120,859,701.99/x - Step 3: Cross multiply
40,400,415,501.86x = 55,743,326,351.54 × 24,120,859,701.99 - Step 4: Simplify right side
40,400,415,501.86x = 1,344,576,954,247,738,556,416 - Step 5: Solve for x
x = 1,344,576,954,247,738,556,416/40,400,415,501.86 - Step 6: Final answer
x = 33,281,265,490.59
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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.