Finding the Fourth Proportional to 39,459,712,716.30, 59,189,569,074.45 and 18,539,006,310.30
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Solution
The fourth proportional to 39,459,712,716.30, 59,189,569,074.45 and 18,539,006,310.30 is: 27,808,509,465.45
Step by Step Solution
- Step 1: Write the proportion equation
39,459,712,716.30 : 59,189,569,074.45 = 18,539,006,310.30 : x - Step 2: Convert to fraction form
39,459,712,716.30/59,189,569,074.45 = 18,539,006,310.30/x - Step 3: Cross multiply
39,459,712,716.30x = 59,189,569,074.45 × 18,539,006,310.30 - Step 4: Simplify right side
39,459,712,716.30x = 1,097,315,794,575,166,144,512 - Step 5: Solve for x
x = 1,097,315,794,575,166,144,512/39,459,712,716.30 - Step 6: Final answer
x = 27,808,509,465.45
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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.