Finding the Fourth Proportional to 2,839,974,618.60, 4,257,946,388.70 and 1,092,502,132.20
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Solution
The fourth proportional to 2,839,974,618.60, 4,257,946,388.70 and 1,092,502,132.20 is: 1,637,977,845.99
Step by Step Solution
- Step 1: Write the proportion equation
2,839,974,618.60 : 4,257,946,388.70 = 1,092,502,132.20 : x - Step 2: Convert to fraction form
2,839,974,618.60/4,257,946,388.70 = 1,092,502,132.20/x - Step 3: Cross multiply
2,839,974,618.60x = 4,257,946,388.70 × 1,092,502,132.20 - Step 4: Simplify right side
2,839,974,618.60x = 4,651,815,508,448,039,936 - Step 5: Solve for x
x = 4,651,815,508,448,039,936/2,839,974,618.60 - Step 6: Final answer
x = 1,637,977,845.99
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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.