Finding the Fourth Proportional to 1,758,753,148,961.70, 2,636,618,798,671 and 611,236,288,132.68
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Solution
The fourth proportional to 1,758,753,148,961.70, 2,636,618,798,671 and 611,236,288,132.68 is: 916,329,326,075.09
Step by Step Solution
- Step 1: Write the proportion equation
1,758,753,148,961.70 : 2,636,618,798,671 = 611,236,288,132.68 : x - Step 2: Convert to fraction form
1,758,753,148,961.70/2,636,618,798,671 = 611,236,288,132.68/x - Step 3: Cross multiply
1,758,753,148,961.70x = 2,636,618,798,671 × 611,236,288,132.68 - Step 4: Simplify right side
1,758,753,148,961.70x = 1,611,597,087,720,508,068,200,448 - Step 5: Solve for x
x = 1,611,597,087,720,508,068,200,448/1,758,753,148,961.70 - Step 6: Final answer
x = 916,329,326,075.09
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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.