Finding the Fourth Proportional to 86,920,128,911.80, 130,380,193,367.70 and 24,881,832,335.80
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Solution
The fourth proportional to 86,920,128,911.80, 130,380,193,367.70 and 24,881,832,335.80 is: 37,322,748,503.70
Step by Step Solution
- Step 1: Write the proportion equation
86,920,128,911.80 : 130,380,193,367.70 = 24,881,832,335.80 : x - Step 2: Convert to fraction form
86,920,128,911.80/130,380,193,367.70 = 24,881,832,335.80/x - Step 3: Cross multiply
86,920,128,911.80x = 130,380,193,367.70 × 24,881,832,335.80 - Step 4: Simplify right side
86,920,128,911.80x = 3,244,098,111,284,294,189,056 - Step 5: Solve for x
x = 3,244,098,111,284,294,189,056/86,920,128,911.80 - Step 6: Final answer
x = 37,322,748,503.70
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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.