Finding the Fourth Proportional to 1,333,589,295.75, 1,840,353,228.18 and 746,878,431.75
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Solution
The fourth proportional to 1,333,589,295.75, 1,840,353,228.18 and 746,878,431.75 is: 1,030,692,235.84
Step by Step Solution
- Step 1: Write the proportion equation
1,333,589,295.75 : 1,840,353,228.18 = 746,878,431.75 : x - Step 2: Convert to fraction form
1,333,589,295.75/1,840,353,228.18 = 746,878,431.75/x - Step 3: Cross multiply
1,333,589,295.75x = 1,840,353,228.18 × 746,878,431.75 - Step 4: Simplify right side
1,333,589,295.75x = 1,374,520,132,929,128,448 - Step 5: Solve for x
x = 1,374,520,132,929,128,448/1,333,589,295.75 - Step 6: Final answer
x = 1,030,692,235.84
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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.