Finding the Fourth Proportional to 2,613,962,985.95, 3,922,102,356.27 and 1,370,097,839.99
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Solution
The fourth proportional to 2,613,962,985.95, 3,922,102,356.27 and 1,370,097,839.99 is: 2,055,753,656.59
Step by Step Solution
- Step 1: Write the proportion equation
2,613,962,985.95 : 3,922,102,356.27 = 1,370,097,839.99 : x - Step 2: Convert to fraction form
2,613,962,985.95/3,922,102,356.27 = 1,370,097,839.99/x - Step 3: Cross multiply
2,613,962,985.95x = 3,922,102,356.27 × 1,370,097,839.99 - Step 4: Simplify right side
2,613,962,985.95x = 5,373,663,966,545,216,512 - Step 5: Solve for x
x = 5,373,663,966,545,216,512/2,613,962,985.95 - Step 6: Final answer
x = 2,055,753,656.59
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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.