Finding the Fourth Proportional to 939,002,627.84, 1,415,253,393.11 and 809,409,091.84
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Solution
The fourth proportional to 939,002,627.84, 1,415,253,393.11 and 809,409,091.84 is: 1,219,931,584.52
Step by Step Solution
- Step 1: Write the proportion equation
939,002,627.84 : 1,415,253,393.11 = 809,409,091.84 : x - Step 2: Convert to fraction form
939,002,627.84/1,415,253,393.11 = 809,409,091.84/x - Step 3: Cross multiply
939,002,627.84x = 1,415,253,393.11 × 809,409,091.84 - Step 4: Simplify right side
939,002,627.84x = 1,145,518,963,639,128,960 - Step 5: Solve for x
x = 1,145,518,963,639,128,960/939,002,627.84 - Step 6: Final answer
x = 1,219,931,584.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.