Finding the Fourth Proportional to 42,167,663,023.80, 58,192,445,650.73 and 23,136,761,478.99
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Solution
The fourth proportional to 42,167,663,023.80, 58,192,445,650.73 and 23,136,761,478.99 is: 31,929,318,305.83
Step by Step Solution
- Step 1: Write the proportion equation
42,167,663,023.80 : 58,192,445,650.73 = 23,136,761,478.99 : x - Step 2: Convert to fraction form
42,167,663,023.80/58,192,445,650.73 = 23,136,761,478.99/x - Step 3: Cross multiply
42,167,663,023.80x = 58,192,445,650.73 × 23,136,761,478.99 - Step 4: Simplify right side
42,167,663,023.80x = 1,346,384,734,899,913,359,360 - Step 5: Solve for x
x = 1,346,384,734,899,913,359,360/42,167,663,023.80 - Step 6: Final answer
x = 31,929,318,305.83
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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.