Finding the Fourth Proportional to 1,547,631,086,217.90, 2,135,737,349,881.60 and 853,156,387,451.88
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Solution
The fourth proportional to 1,547,631,086,217.90, 2,135,737,349,881.60 and 853,156,387,451.88 is: 1,177,359,370,845.88
Step by Step Solution
- Step 1: Write the proportion equation
1,547,631,086,217.90 : 2,135,737,349,881.60 = 853,156,387,451.88 : x - Step 2: Convert to fraction form
1,547,631,086,217.90/2,135,737,349,881.60 = 853,156,387,451.88/x - Step 3: Cross multiply
1,547,631,086,217.90x = 2,135,737,349,881.60 × 853,156,387,451.88 - Step 4: Simplify right side
1,547,631,086,217.90x = 1,822,117,961,971,037,804,429,312 - Step 5: Solve for x
x = 1,822,117,961,971,037,804,429,312/1,547,631,086,217.90 - Step 6: Final answer
x = 1,177,359,370,845.88
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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.