Finding the Fourth Proportional to 8,518,721,014.28, 12,778,341,839.86 and 2,922,579,602.43
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Solution
The fourth proportional to 8,518,721,014.28, 12,778,341,839.86 and 2,922,579,602.43 is: 4,383,958,712.99
Step by Step Solution
- Step 1: Write the proportion equation
8,518,721,014.28 : 12,778,341,839.86 = 2,922,579,602.43 : x - Step 2: Convert to fraction form
8,518,721,014.28/12,778,341,839.86 = 2,922,579,602.43/x - Step 3: Cross multiply
8,518,721,014.28x = 12,778,341,839.86 × 2,922,579,602.43 - Step 4: Simplify right side
8,518,721,014.28x = 37,345,721,214,052,671,488 - Step 5: Solve for x
x = 37,345,721,214,052,671,488/8,518,721,014.28 - Step 6: Final answer
x = 4,383,958,712.99
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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.