Finding the Fourth Proportional to 13,862,102,465.70, 20,793,153,698.55 and 13,862,102,465.70
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Solution
The fourth proportional to 13,862,102,465.70, 20,793,153,698.55 and 13,862,102,465.70 is: 20,793,153,698.55
Step by Step Solution
- Step 1: Write the proportion equation
13,862,102,465.70 : 20,793,153,698.55 = 13,862,102,465.70 : x - Step 2: Convert to fraction form
13,862,102,465.70/20,793,153,698.55 = 13,862,102,465.70/x - Step 3: Cross multiply
13,862,102,465.70x = 20,793,153,698.55 × 13,862,102,465.70 - Step 4: Simplify right side
13,862,102,465.70x = 288,236,827,154,349,031,424 - Step 5: Solve for x
x = 288,236,827,154,349,031,424/13,862,102,465.70 - Step 6: Final answer
x = 20,793,153,698.55
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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.