Finding the Fourth Proportional to 3,521,639,546.29, 4,859,797,194.39 and 1,935,697,600.63
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Solution
The fourth proportional to 3,521,639,546.29, 4,859,797,194.39 and 1,935,697,600.63 is: 2,671,226,752.50
Step by Step Solution
- Step 1: Write the proportion equation
3,521,639,546.29 : 4,859,797,194.39 = 1,935,697,600.63 : x - Step 2: Convert to fraction form
3,521,639,546.29/4,859,797,194.39 = 1,935,697,600.63/x - Step 3: Cross multiply
3,521,639,546.29x = 4,859,797,194.39 × 1,935,697,600.63 - Step 4: Simplify right side
3,521,639,546.29x = 9,407,097,768,729,128,960 - Step 5: Solve for x
x = 9,407,097,768,729,128,960/3,521,639,546.29 - Step 6: Final answer
x = 2,671,226,752.50
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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.